Home / 15,022.60-22,534.42-5,161.80

Finding the Fourth Proportional to 15,022.60, 22,534.42 and 5,161.80

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Solution

The fourth proportional to 15,022.60, 22,534.42 and 5,161.80 is: 7,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022.60 : 22,534.42 = 5,161.80 : x
  2. Step 2: Convert to fraction form
    15,022.60/22,534.42 = 5,161.80/x
  3. Step 3: Cross multiply
    15,022.60x = 22,534.42 × 5,161.80
  4. Step 4: Simplify right side
    15,022.60x = 116,318,169.16
  5. Step 5: Solve for x
    x = 116,318,169.16/15,022.60
  6. Step 6: Final answer
    x = 7,742.88

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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.