Home / 18,632.50-27,956.85-9,281.86

Finding the Fourth Proportional to 18,632.50, 27,956.85 and 9,281.86

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Solution

The fourth proportional to 18,632.50, 27,956.85 and 9,281.86 is: 13,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.50 : 27,956.85 = 9,281.86 : x
  2. Step 2: Convert to fraction form
    18,632.50/27,956.85 = 9,281.86/x
  3. Step 3: Cross multiply
    18,632.50x = 27,956.85 × 9,281.86
  4. Step 4: Simplify right side
    18,632.50x = 259,491,567.74
  5. Step 5: Solve for x
    x = 259,491,567.74/18,632.50
  6. Step 6: Final answer
    x = 13,926.83

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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.