Home / 16,695.88-23,020.76-13,327.90

Finding the Fourth Proportional to 16,695.88, 23,020.76 and 13,327.90

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Solution

The fourth proportional to 16,695.88, 23,020.76 and 13,327.90 is: 18,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.88 : 23,020.76 = 13,327.90 : x
  2. Step 2: Convert to fraction form
    16,695.88/23,020.76 = 13,327.90/x
  3. Step 3: Cross multiply
    16,695.88x = 23,020.76 × 13,327.90
  4. Step 4: Simplify right side
    16,695.88x = 306,818,362.97
  5. Step 5: Solve for x
    x = 306,818,362.97/16,695.88
  6. Step 6: Final answer
    x = 18,376.89

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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.