Home / 22,152.28-33,231.76-7,154.38

Finding the Fourth Proportional to 22,152.28, 33,231.76 and 7,154.38

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Solution

The fourth proportional to 22,152.28, 33,231.76 and 7,154.38 is: 10,732.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.28 : 33,231.76 = 7,154.38 : x
  2. Step 2: Convert to fraction form
    22,152.28/33,231.76 = 7,154.38/x
  3. Step 3: Cross multiply
    22,152.28x = 33,231.76 × 7,154.38
  4. Step 4: Simplify right side
    22,152.28x = 237,752,639.11
  5. Step 5: Solve for x
    x = 237,752,639.11/22,152.28
  6. Step 6: Final answer
    x = 10,732.65

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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.