Home / 22,645.98-31,252.95-13,087.71

Finding the Fourth Proportional to 22,645.98, 31,252.95 and 13,087.71

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Solution

The fourth proportional to 22,645.98, 31,252.95 and 13,087.71 is: 18,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.98 : 31,252.95 = 13,087.71 : x
  2. Step 2: Convert to fraction form
    22,645.98/31,252.95 = 13,087.71/x
  3. Step 3: Cross multiply
    22,645.98x = 31,252.95 × 13,087.71
  4. Step 4: Simplify right side
    22,645.98x = 409,029,546.24
  5. Step 5: Solve for x
    x = 409,029,546.24/22,645.98
  6. Step 6: Final answer
    x = 18,061.91

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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.