Home / 23,715.30-32,726.80-13,105.11

Finding the Fourth Proportional to 23,715.30, 32,726.80 and 13,105.11

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Solution

The fourth proportional to 23,715.30, 32,726.80 and 13,105.11 is: 18,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,715.30 : 32,726.80 = 13,105.11 : x
  2. Step 2: Convert to fraction form
    23,715.30/32,726.80 = 13,105.11/x
  3. Step 3: Cross multiply
    23,715.30x = 32,726.80 × 13,105.11
  4. Step 4: Simplify right side
    23,715.30x = 428,888,313.95
  5. Step 5: Solve for x
    x = 428,888,313.95/23,715.30
  6. Step 6: Final answer
    x = 18,084.88

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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.