Home / 24,424.28-36,639.38-7,778.48

Finding the Fourth Proportional to 24,424.28, 36,639.38 and 7,778.48

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Solution

The fourth proportional to 24,424.28, 36,639.38 and 7,778.48 is: 11,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,424.28 : 36,639.38 = 7,778.48 : x
  2. Step 2: Convert to fraction form
    24,424.28/36,639.38 = 7,778.48/x
  3. Step 3: Cross multiply
    24,424.28x = 36,639.38 × 7,778.48
  4. Step 4: Simplify right side
    24,424.28x = 284,998,684.54
  5. Step 5: Solve for x
    x = 284,998,684.54/24,424.28
  6. Step 6: Final answer
    x = 11,668.66

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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.