Home / 22,620.12-31,230.42-14,557.38

Finding the Fourth Proportional to 22,620.12, 31,230.42 and 14,557.38

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Solution

The fourth proportional to 22,620.12, 31,230.42 and 14,557.38 is: 20,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.12 : 31,230.42 = 14,557.38 : x
  2. Step 2: Convert to fraction form
    22,620.12/31,230.42 = 14,557.38/x
  3. Step 3: Cross multiply
    22,620.12x = 31,230.42 × 14,557.38
  4. Step 4: Simplify right side
    22,620.12x = 454,633,091.50
  5. Step 5: Solve for x
    x = 454,633,091.50/22,620.12
  6. Step 6: Final answer
    x = 20,098.62

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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.