Home / 22,327.66-30,812.19-13,380.35

Finding the Fourth Proportional to 22,327.66, 30,812.19 and 13,380.35

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Solution

The fourth proportional to 22,327.66, 30,812.19 and 13,380.35 is: 18,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,327.66 : 30,812.19 = 13,380.35 : x
  2. Step 2: Convert to fraction form
    22,327.66/30,812.19 = 13,380.35/x
  3. Step 3: Cross multiply
    22,327.66x = 30,812.19 × 13,380.35
  4. Step 4: Simplify right side
    22,327.66x = 412,277,963.50
  5. Step 5: Solve for x
    x = 412,277,963.50/22,327.66
  6. Step 6: Final answer
    x = 18,464.90

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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.