Home / 15,608.50-21,539.94-9,234.92

Finding the Fourth Proportional to 15,608.50, 21,539.94 and 9,234.92

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Solution

The fourth proportional to 15,608.50, 21,539.94 and 9,234.92 is: 12,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608.50 : 21,539.94 = 9,234.92 : x
  2. Step 2: Convert to fraction form
    15,608.50/21,539.94 = 9,234.92/x
  3. Step 3: Cross multiply
    15,608.50x = 21,539.94 × 9,234.92
  4. Step 4: Simplify right side
    15,608.50x = 198,919,685.20
  5. Step 5: Solve for x
    x = 198,919,685.20/15,608.50
  6. Step 6: Final answer
    x = 12,744.32

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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.