Home / 18,934.11-26,128.01-10,436.21

Finding the Fourth Proportional to 18,934.11, 26,128.01 and 10,436.21

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Solution

The fourth proportional to 18,934.11, 26,128.01 and 10,436.21 is: 14,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.11 : 26,128.01 = 10,436.21 : x
  2. Step 2: Convert to fraction form
    18,934.11/26,128.01 = 10,436.21/x
  3. Step 3: Cross multiply
    18,934.11x = 26,128.01 × 10,436.21
  4. Step 4: Simplify right side
    18,934.11x = 272,677,399.24
  5. Step 5: Solve for x
    x = 272,677,399.24/18,934.11
  6. Step 6: Final answer
    x = 14,401.38

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Half scale
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Double scale
Find fourth proportional to 18,935.11, 26,129.39 and 10,437.21
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.