Home / 18,764.91-25,881.15-13,097.85

Finding the Fourth Proportional to 18,764.91, 25,881.15 and 13,097.85

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Solution

The fourth proportional to 18,764.91, 25,881.15 and 13,097.85 is: 18,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.91 : 25,881.15 = 13,097.85 : x
  2. Step 2: Convert to fraction form
    18,764.91/25,881.15 = 13,097.85/x
  3. Step 3: Cross multiply
    18,764.91x = 25,881.15 × 13,097.85
  4. Step 4: Simplify right side
    18,764.91x = 338,987,420.53
  5. Step 5: Solve for x
    x = 338,987,420.53/18,764.91
  6. Step 6: Final answer
    x = 18,064.96

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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.