Home / 14,732.39-20,330.34-8,271.86

Finding the Fourth Proportional to 14,732.39, 20,330.34 and 8,271.86

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Solution

The fourth proportional to 14,732.39, 20,330.34 and 8,271.86 is: 11,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,732.39 : 20,330.34 = 8,271.86 : x
  2. Step 2: Convert to fraction form
    14,732.39/20,330.34 = 8,271.86/x
  3. Step 3: Cross multiply
    14,732.39x = 20,330.34 × 8,271.86
  4. Step 4: Simplify right side
    14,732.39x = 168,169,624.58
  5. Step 5: Solve for x
    x = 168,169,624.58/14,732.39
  6. Step 6: Final answer
    x = 11,414.96

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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.