Home / 18,934.77-26,130.17-10,437.19

Finding the Fourth Proportional to 18,934.77, 26,130.17 and 10,437.19

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Solution

The fourth proportional to 18,934.77, 26,130.17 and 10,437.19 is: 14,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.77 : 26,130.17 = 10,437.19 : x
  2. Step 2: Convert to fraction form
    18,934.77/26,130.17 = 10,437.19/x
  3. Step 3: Cross multiply
    18,934.77x = 26,130.17 × 10,437.19
  4. Step 4: Simplify right side
    18,934.77x = 272,725,549.02
  5. Step 5: Solve for x
    x = 272,725,549.02/18,934.77
  6. Step 6: Final answer
    x = 14,403.43

Related Problems

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Half scale
Find fourth proportional to 37,869.54, 52,260.34 and 20,874.38
Double scale
Find fourth proportional to 18,935.77, 26,131.55 and 10,438.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.