Home / 22,023.28-30,392.31-11,951.80

Finding the Fourth Proportional to 22,023.28, 30,392.31 and 11,951.80

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Solution

The fourth proportional to 22,023.28, 30,392.31 and 11,951.80 is: 16,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,023.28 : 30,392.31 = 11,951.80 : x
  2. Step 2: Convert to fraction form
    22,023.28/30,392.31 = 11,951.80/x
  3. Step 3: Cross multiply
    22,023.28x = 30,392.31 × 11,951.80
  4. Step 4: Simplify right side
    22,023.28x = 363,242,810.66
  5. Step 5: Solve for x
    x = 363,242,810.66/22,023.28
  6. Step 6: Final answer
    x = 16,493.58

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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.