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Finding the Fourth Proportional to 15,162.53, 20,927.70 and 9,848.12

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Solution

The fourth proportional to 15,162.53, 20,927.70 and 9,848.12 is: 13,592.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162.53 : 20,927.70 = 9,848.12 : x
  2. Step 2: Convert to fraction form
    15,162.53/20,927.70 = 9,848.12/x
  3. Step 3: Cross multiply
    15,162.53x = 20,927.70 × 9,848.12
  4. Step 4: Simplify right side
    15,162.53x = 206,098,396.29
  5. Step 5: Solve for x
    x = 206,098,396.29/15,162.53
  6. Step 6: Final answer
    x = 13,592.62

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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.