Home / 25,170.75-34,736.38-13,839.66

Finding the Fourth Proportional to 25,170.75, 34,736.38 and 13,839.66

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Solution

The fourth proportional to 25,170.75, 34,736.38 and 13,839.66 is: 19,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.75 : 34,736.38 = 13,839.66 : x
  2. Step 2: Convert to fraction form
    25,170.75/34,736.38 = 13,839.66/x
  3. Step 3: Cross multiply
    25,170.75x = 34,736.38 × 13,839.66
  4. Step 4: Simplify right side
    25,170.75x = 480,739,654.23
  5. Step 5: Solve for x
    x = 480,739,654.23/25,170.75
  6. Step 6: Final answer
    x = 19,099.14

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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.