Home / 22,332.60-30,819.32-12,261.97

Finding the Fourth Proportional to 22,332.60, 30,819.32 and 12,261.97

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Solution

The fourth proportional to 22,332.60, 30,819.32 and 12,261.97 is: 16,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,332.60 : 30,819.32 = 12,261.97 : x
  2. Step 2: Convert to fraction form
    22,332.60/30,819.32 = 12,261.97/x
  3. Step 3: Cross multiply
    22,332.60x = 30,819.32 × 12,261.97
  4. Step 4: Simplify right side
    22,332.60x = 377,905,577.26
  5. Step 5: Solve for x
    x = 377,905,577.26/22,332.60
  6. Step 6: Final answer
    x = 16,921.70

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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.