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Finding the Fourth Proportional to 14,601.92, 20,151.52 and 11,059.52

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Solution

The fourth proportional to 14,601.92, 20,151.52 and 11,059.52 is: 15,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.92 : 20,151.52 = 11,059.52 : x
  2. Step 2: Convert to fraction form
    14,601.92/20,151.52 = 11,059.52/x
  3. Step 3: Cross multiply
    14,601.92x = 20,151.52 × 11,059.52
  4. Step 4: Simplify right side
    14,601.92x = 222,866,138.47
  5. Step 5: Solve for x
    x = 222,866,138.47/14,601.92
  6. Step 6: Final answer
    x = 15,262.80

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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.