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Finding the Fourth Proportional to 15,156.47, 22,724.37 and 7,754.90

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Solution

The fourth proportional to 15,156.47, 22,724.37 and 7,754.90 is: 11,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.47 : 22,724.37 = 7,754.90 : x
  2. Step 2: Convert to fraction form
    15,156.47/22,724.37 = 7,754.90/x
  3. Step 3: Cross multiply
    15,156.47x = 22,724.37 × 7,754.90
  4. Step 4: Simplify right side
    15,156.47x = 176,225,103.29
  5. Step 5: Solve for x
    x = 176,225,103.29/15,156.47
  6. Step 6: Final answer
    x = 11,627.06

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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.