Home / 22,257.97-30,715.95-13,305.04

Finding the Fourth Proportional to 22,257.97, 30,715.95 and 13,305.04

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Solution

The fourth proportional to 22,257.97, 30,715.95 and 13,305.04 is: 18,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,257.97 : 30,715.95 = 13,305.04 : x
  2. Step 2: Convert to fraction form
    22,257.97/30,715.95 = 13,305.04/x
  3. Step 3: Cross multiply
    22,257.97x = 30,715.95 × 13,305.04
  4. Step 4: Simplify right side
    22,257.97x = 408,676,943.39
  5. Step 5: Solve for x
    x = 408,676,943.39/22,257.97
  6. Step 6: Final answer
    x = 18,360.93

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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.