Home / 20,191.74-30,287.33-7,044.04

Finding the Fourth Proportional to 20,191.74, 30,287.33 and 7,044.04

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Solution

The fourth proportional to 20,191.74, 30,287.33 and 7,044.04 is: 10,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.74 : 30,287.33 = 7,044.04 : x
  2. Step 2: Convert to fraction form
    20,191.74/30,287.33 = 7,044.04/x
  3. Step 3: Cross multiply
    20,191.74x = 30,287.33 × 7,044.04
  4. Step 4: Simplify right side
    20,191.74x = 213,345,164.01
  5. Step 5: Solve for x
    x = 213,345,164.01/20,191.74
  6. Step 6: Final answer
    x = 10,565.96

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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.