Home / 17,134.66-25,557.97-15,559.78

Finding the Fourth Proportional to 17,134.66, 25,557.97 and 15,559.78

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Solution

The fourth proportional to 17,134.66, 25,557.97 and 15,559.78 is: 23,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,134.66 : 25,557.97 = 15,559.78 : x
  2. Step 2: Convert to fraction form
    17,134.66/25,557.97 = 15,559.78/x
  3. Step 3: Cross multiply
    17,134.66x = 25,557.97 × 15,559.78
  4. Step 4: Simplify right side
    17,134.66x = 397,676,390.45
  5. Step 5: Solve for x
    x = 397,676,390.45/17,134.66
  6. Step 6: Final answer
    x = 23,208.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.