Home / 39,139.17-58,708.54-9,557.16

Finding the Fourth Proportional to 39,139.17, 58,708.54 and 9,557.16

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Solution

The fourth proportional to 39,139.17, 58,708.54 and 9,557.16 is: 14,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139.17 : 58,708.54 = 9,557.16 : x
  2. Step 2: Convert to fraction form
    39,139.17/58,708.54 = 9,557.16/x
  3. Step 3: Cross multiply
    39,139.17x = 58,708.54 × 9,557.16
  4. Step 4: Simplify right side
    39,139.17x = 561,086,910.15
  5. Step 5: Solve for x
    x = 561,086,910.15/39,139.17
  6. Step 6: Final answer
    x = 14,335.69

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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.