Home / 15,212.38-22,821.78-5,724.76

Finding the Fourth Proportional to 15,212.38, 22,821.78 and 5,724.76

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Solution

The fourth proportional to 15,212.38, 22,821.78 and 5,724.76 is: 8,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.38 : 22,821.78 = 5,724.76 : x
  2. Step 2: Convert to fraction form
    15,212.38/22,821.78 = 5,724.76/x
  3. Step 3: Cross multiply
    15,212.38x = 22,821.78 × 5,724.76
  4. Step 4: Simplify right side
    15,212.38x = 130,649,213.27
  5. Step 5: Solve for x
    x = 130,649,213.27/15,212.38
  6. Step 6: Final answer
    x = 8,588.35

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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.