Home / 25,711.18-38,567.91-9,071.35

Finding the Fourth Proportional to 25,711.18, 38,567.91 and 9,071.35

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Solution

The fourth proportional to 25,711.18, 38,567.91 and 9,071.35 is: 13,607.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,711.18 : 38,567.91 = 9,071.35 : x
  2. Step 2: Convert to fraction form
    25,711.18/38,567.91 = 9,071.35/x
  3. Step 3: Cross multiply
    25,711.18x = 38,567.91 × 9,071.35
  4. Step 4: Simplify right side
    25,711.18x = 349,863,010.38
  5. Step 5: Solve for x
    x = 349,863,010.38/25,711.18
  6. Step 6: Final answer
    x = 13,607.43

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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.