Home / 20,732.46-31,088.96-7,575.62

Finding the Fourth Proportional to 20,732.46, 31,088.96 and 7,575.62

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Solution

The fourth proportional to 20,732.46, 31,088.96 and 7,575.62 is: 11,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.46 : 31,088.96 = 7,575.62 : x
  2. Step 2: Convert to fraction form
    20,732.46/31,088.96 = 7,575.62/x
  3. Step 3: Cross multiply
    20,732.46x = 31,088.96 × 7,575.62
  4. Step 4: Simplify right side
    20,732.46x = 235,518,147.16
  5. Step 5: Solve for x
    x = 235,518,147.16/20,732.46
  6. Step 6: Final answer
    x = 11,359.87

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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.