Home / 20,773.01-31,159.56-8,294.04

Finding the Fourth Proportional to 20,773.01, 31,159.56 and 8,294.04

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Solution

The fourth proportional to 20,773.01, 31,159.56 and 8,294.04 is: 12,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773.01 : 31,159.56 = 8,294.04 : x
  2. Step 2: Convert to fraction form
    20,773.01/31,159.56 = 8,294.04/x
  3. Step 3: Cross multiply
    20,773.01x = 31,159.56 × 8,294.04
  4. Step 4: Simplify right side
    20,773.01x = 258,438,694.19
  5. Step 5: Solve for x
    x = 258,438,694.19/20,773.01
  6. Step 6: Final answer
    x = 12,441.08

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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.