Home / 38,472.89-57,706.46-13,513.16

Finding the Fourth Proportional to 38,472.89, 57,706.46 and 13,513.16

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Solution

The fourth proportional to 38,472.89, 57,706.46 and 13,513.16 is: 20,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472.89 : 57,706.46 = 13,513.16 : x
  2. Step 2: Convert to fraction form
    38,472.89/57,706.46 = 13,513.16/x
  3. Step 3: Cross multiply
    38,472.89x = 57,706.46 × 13,513.16
  4. Step 4: Simplify right side
    38,472.89x = 779,796,754.39
  5. Step 5: Solve for x
    x = 779,796,754.39/38,472.89
  6. Step 6: Final answer
    x = 20,268.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.