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Finding the Fourth Proportional to 18,473.60, 25,493.28 and 10,089.92

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Solution

The fourth proportional to 18,473.60, 25,493.28 and 10,089.92 is: 13,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.60 : 25,493.28 = 10,089.92 : x
  2. Step 2: Convert to fraction form
    18,473.60/25,493.28 = 10,089.92/x
  3. Step 3: Cross multiply
    18,473.60x = 25,493.28 × 10,089.92
  4. Step 4: Simplify right side
    18,473.60x = 257,225,155.74
  5. Step 5: Solve for x
    x = 257,225,155.74/18,473.60
  6. Step 6: Final answer
    x = 13,923.93

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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.