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Finding the Fourth Proportional to 18,565.92, 25,620.93 and 10,182.96

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Solution

The fourth proportional to 18,565.92, 25,620.93 and 10,182.96 is: 14,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.92 : 25,620.93 = 10,182.96 : x
  2. Step 2: Convert to fraction form
    18,565.92/25,620.93 = 10,182.96/x
  3. Step 3: Cross multiply
    18,565.92x = 25,620.93 × 10,182.96
  4. Step 4: Simplify right side
    18,565.92x = 260,896,905.35
  5. Step 5: Solve for x
    x = 260,896,905.35/18,565.92
  6. Step 6: Final answer
    x = 14,052.46

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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.