Home / 25,174.56-34,740.80-13,996.56

Finding the Fourth Proportional to 25,174.56, 34,740.80 and 13,996.56

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Solution

The fourth proportional to 25,174.56, 34,740.80 and 13,996.56 is: 19,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,174.56 : 34,740.80 = 13,996.56 : x
  2. Step 2: Convert to fraction form
    25,174.56/34,740.80 = 13,996.56/x
  3. Step 3: Cross multiply
    25,174.56x = 34,740.80 × 13,996.56
  4. Step 4: Simplify right side
    25,174.56x = 486,251,691.65
  5. Step 5: Solve for x
    x = 486,251,691.65/25,174.56
  6. Step 6: Final answer
    x = 19,315.20

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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.