Home / 16,399.20-22,602.92-11,011.88

Finding the Fourth Proportional to 16,399.20, 22,602.92 and 11,011.88

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Solution

The fourth proportional to 16,399.20, 22,602.92 and 11,011.88 is: 15,177.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399.20 : 22,602.92 = 11,011.88 : x
  2. Step 2: Convert to fraction form
    16,399.20/22,602.92 = 11,011.88/x
  3. Step 3: Cross multiply
    16,399.20x = 22,602.92 × 11,011.88
  4. Step 4: Simplify right side
    16,399.20x = 248,900,642.69
  5. Step 5: Solve for x
    x = 248,900,642.69/16,399.20
  6. Step 6: Final answer
    x = 15,177.61

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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.