Home / 22,140.24-30,553.50-12,068.70

Finding the Fourth Proportional to 22,140.24, 30,553.50 and 12,068.70

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Solution

The fourth proportional to 22,140.24, 30,553.50 and 12,068.70 is: 16,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.24 : 30,553.50 = 12,068.70 : x
  2. Step 2: Convert to fraction form
    22,140.24/30,553.50 = 12,068.70/x
  3. Step 3: Cross multiply
    22,140.24x = 30,553.50 × 12,068.70
  4. Step 4: Simplify right side
    22,140.24x = 368,741,025.45
  5. Step 5: Solve for x
    x = 368,741,025.45/22,140.24
  6. Step 6: Final answer
    x = 16,654.79

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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.