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Finding the Fourth Proportional to 16,819.92, 25,221.24 and 9,038.16

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Solution

The fourth proportional to 16,819.92, 25,221.24 and 9,038.16 is: 13,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.92 : 25,221.24 = 9,038.16 : x
  2. Step 2: Convert to fraction form
    16,819.92/25,221.24 = 9,038.16/x
  3. Step 3: Cross multiply
    16,819.92x = 25,221.24 × 9,038.16
  4. Step 4: Simplify right side
    16,819.92x = 227,953,602.52
  5. Step 5: Solve for x
    x = 227,953,602.52/16,819.92
  6. Step 6: Final answer
    x = 13,552.60

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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.