Home / 22,713.60-31,344.54-12,641.88

Finding the Fourth Proportional to 22,713.60, 31,344.54 and 12,641.88

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Solution

The fourth proportional to 22,713.60, 31,344.54 and 12,641.88 is: 17,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.60 : 31,344.54 = 12,641.88 : x
  2. Step 2: Convert to fraction form
    22,713.60/31,344.54 = 12,641.88/x
  3. Step 3: Cross multiply
    22,713.60x = 31,344.54 × 12,641.88
  4. Step 4: Simplify right side
    22,713.60x = 396,253,913.34
  5. Step 5: Solve for x
    x = 396,253,913.34/22,713.60
  6. Step 6: Final answer
    x = 17,445.67

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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.