Home / 22,158.28-33,243.72-9,020.08

Finding the Fourth Proportional to 22,158.28, 33,243.72 and 9,020.08

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Solution

The fourth proportional to 22,158.28, 33,243.72 and 9,020.08 is: 13,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,158.28 : 33,243.72 = 9,020.08 : x
  2. Step 2: Convert to fraction form
    22,158.28/33,243.72 = 9,020.08/x
  3. Step 3: Cross multiply
    22,158.28x = 33,243.72 × 9,020.08
  4. Step 4: Simplify right side
    22,158.28x = 299,861,013.90
  5. Step 5: Solve for x
    x = 299,861,013.90/22,158.28
  6. Step 6: Final answer
    x = 13,532.68

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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.