Home / 22,675.50-31,294.14-12,741.42

Finding the Fourth Proportional to 22,675.50, 31,294.14 and 12,741.42

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Solution

The fourth proportional to 22,675.50, 31,294.14 and 12,741.42 is: 17,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.50 : 31,294.14 = 12,741.42 : x
  2. Step 2: Convert to fraction form
    22,675.50/31,294.14 = 12,741.42/x
  3. Step 3: Cross multiply
    22,675.50x = 31,294.14 × 12,741.42
  4. Step 4: Simplify right side
    22,675.50x = 398,731,781.28
  5. Step 5: Solve for x
    x = 398,731,781.28/22,675.50
  6. Step 6: Final answer
    x = 17,584.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.