Home / 57,616.75-86,425.13-13,840.75

Finding the Fourth Proportional to 57,616.75, 86,425.13 and 13,840.75

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Solution

The fourth proportional to 57,616.75, 86,425.13 and 13,840.75 is: 20,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,616.75 : 86,425.13 = 13,840.75 : x
  2. Step 2: Convert to fraction form
    57,616.75/86,425.13 = 13,840.75/x
  3. Step 3: Cross multiply
    57,616.75x = 86,425.13 × 13,840.75
  4. Step 4: Simplify right side
    57,616.75x = 1,196,188,618.05
  5. Step 5: Solve for x
    x = 1,196,188,618.05/57,616.75
  6. Step 6: Final answer
    x = 20,761.13

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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.