Home / 18,565.75-27,852.27-8,177.50

Finding the Fourth Proportional to 18,565.75, 27,852.27 and 8,177.50

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Solution

The fourth proportional to 18,565.75, 27,852.27 and 8,177.50 is: 12,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.75 : 27,852.27 = 8,177.50 : x
  2. Step 2: Convert to fraction form
    18,565.75/27,852.27 = 8,177.50/x
  3. Step 3: Cross multiply
    18,565.75x = 27,852.27 × 8,177.50
  4. Step 4: Simplify right side
    18,565.75x = 227,761,937.93
  5. Step 5: Solve for x
    x = 227,761,937.93/18,565.75
  6. Step 6: Final answer
    x = 12,267.86

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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.