Home / 36,125.46-54,146.61-13,929.03

Finding the Fourth Proportional to 36,125.46, 54,146.61 and 13,929.03

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Solution

The fourth proportional to 36,125.46, 54,146.61 and 13,929.03 is: 20,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,125.46 : 54,146.61 = 13,929.03 : x
  2. Step 2: Convert to fraction form
    36,125.46/54,146.61 = 13,929.03/x
  3. Step 3: Cross multiply
    36,125.46x = 54,146.61 × 13,929.03
  4. Step 4: Simplify right side
    36,125.46x = 754,209,755.09
  5. Step 5: Solve for x
    x = 754,209,755.09/36,125.46
  6. Step 6: Final answer
    x = 20,877.51

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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.