Home / 15,008.50-22,505.68-8,770.31

Finding the Fourth Proportional to 15,008.50, 22,505.68 and 8,770.31

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Solution

The fourth proportional to 15,008.50, 22,505.68 and 8,770.31 is: 13,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.50 : 22,505.68 = 8,770.31 : x
  2. Step 2: Convert to fraction form
    15,008.50/22,505.68 = 8,770.31/x
  3. Step 3: Cross multiply
    15,008.50x = 22,505.68 × 8,770.31
  4. Step 4: Simplify right side
    15,008.50x = 197,381,824.70
  5. Step 5: Solve for x
    x = 197,381,824.70/15,008.50
  6. Step 6: Final answer
    x = 13,151.34

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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.