Home / 39,147.64-58,721.18-9,565.22

Finding the Fourth Proportional to 39,147.64, 58,721.18 and 9,565.22

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Solution

The fourth proportional to 39,147.64, 58,721.18 and 9,565.22 is: 14,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.64 : 58,721.18 = 9,565.22 : x
  2. Step 2: Convert to fraction form
    39,147.64/58,721.18 = 9,565.22/x
  3. Step 3: Cross multiply
    39,147.64x = 58,721.18 × 9,565.22
  4. Step 4: Simplify right side
    39,147.64x = 561,681,104.34
  5. Step 5: Solve for x
    x = 561,681,104.34/39,147.64
  6. Step 6: Final answer
    x = 14,347.77

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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.