Home / 22,140.23-30,553.31-12,068.66

Finding the Fourth Proportional to 22,140.23, 30,553.31 and 12,068.66

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Solution

The fourth proportional to 22,140.23, 30,553.31 and 12,068.66 is: 16,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.23 : 30,553.31 = 12,068.66 : x
  2. Step 2: Convert to fraction form
    22,140.23/30,553.31 = 12,068.66/x
  3. Step 3: Cross multiply
    22,140.23x = 30,553.31 × 12,068.66
  4. Step 4: Simplify right side
    22,140.23x = 368,737,616.82
  5. Step 5: Solve for x
    x = 368,737,616.82/22,140.23
  6. Step 6: Final answer
    x = 16,654.65

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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.