Home / 22,618.33-31,217.04-12,550.01

Finding the Fourth Proportional to 22,618.33, 31,217.04 and 12,550.01

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Solution

The fourth proportional to 22,618.33, 31,217.04 and 12,550.01 is: 17,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.33 : 31,217.04 = 12,550.01 : x
  2. Step 2: Convert to fraction form
    22,618.33/31,217.04 = 12,550.01/x
  3. Step 3: Cross multiply
    22,618.33x = 31,217.04 × 12,550.01
  4. Step 4: Simplify right side
    22,618.33x = 391,774,234.17
  5. Step 5: Solve for x
    x = 391,774,234.17/22,618.33
  6. Step 6: Final answer
    x = 17,321.10

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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.