Home / 15,966.20-22,029.98-9,251.43

Finding the Fourth Proportional to 15,966.20, 22,029.98 and 9,251.43

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Solution

The fourth proportional to 15,966.20, 22,029.98 and 9,251.43 is: 12,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.20 : 22,029.98 = 9,251.43 : x
  2. Step 2: Convert to fraction form
    15,966.20/22,029.98 = 9,251.43/x
  3. Step 3: Cross multiply
    15,966.20x = 22,029.98 × 9,251.43
  4. Step 4: Simplify right side
    15,966.20x = 203,808,771.61
  5. Step 5: Solve for x
    x = 203,808,771.61/15,966.20
  6. Step 6: Final answer
    x = 12,765.02

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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.