Home / 18,932.08-26,126.40-10,549.12

Finding the Fourth Proportional to 18,932.08, 26,126.40 and 10,549.12

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Solution

The fourth proportional to 18,932.08, 26,126.40 and 10,549.12 is: 14,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.08 : 26,126.40 = 10,549.12 : x
  2. Step 2: Convert to fraction form
    18,932.08/26,126.40 = 10,549.12/x
  3. Step 3: Cross multiply
    18,932.08x = 26,126.40 × 10,549.12
  4. Step 4: Simplify right side
    18,932.08x = 275,610,528.77
  5. Step 5: Solve for x
    x = 275,610,528.77/18,932.08
  6. Step 6: Final answer
    x = 14,557.86

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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.