Home / 20,351.24-28,082.24-11,854.74

Finding the Fourth Proportional to 20,351.24, 28,082.24 and 11,854.74

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Solution

The fourth proportional to 20,351.24, 28,082.24 and 11,854.74 is: 16,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.24 : 28,082.24 = 11,854.74 : x
  2. Step 2: Convert to fraction form
    20,351.24/28,082.24 = 11,854.74/x
  3. Step 3: Cross multiply
    20,351.24x = 28,082.24 × 11,854.74
  4. Step 4: Simplify right side
    20,351.24x = 332,907,594.54
  5. Step 5: Solve for x
    x = 332,907,594.54/20,351.24
  6. Step 6: Final answer
    x = 16,358.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.