Home / 22,700.62-31,321.92-13,264.84

Finding the Fourth Proportional to 22,700.62, 31,321.92 and 13,264.84

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Solution

The fourth proportional to 22,700.62, 31,321.92 and 13,264.84 is: 18,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,700.62 : 31,321.92 = 13,264.84 : x
  2. Step 2: Convert to fraction form
    22,700.62/31,321.92 = 13,264.84/x
  3. Step 3: Cross multiply
    22,700.62x = 31,321.92 × 13,264.84
  4. Step 4: Simplify right side
    22,700.62x = 415,480,257.29
  5. Step 5: Solve for x
    x = 415,480,257.29/22,700.62
  6. Step 6: Final answer
    x = 18,302.60

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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.