Home / 12,349.24-17,049.90-11,020.66

Finding the Fourth Proportional to 12,349.24, 17,049.90 and 11,020.66

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Solution

The fourth proportional to 12,349.24, 17,049.90 and 11,020.66 is: 15,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.24 : 17,049.90 = 11,020.66 : x
  2. Step 2: Convert to fraction form
    12,349.24/17,049.90 = 11,020.66/x
  3. Step 3: Cross multiply
    12,349.24x = 17,049.90 × 11,020.66
  4. Step 4: Simplify right side
    12,349.24x = 187,901,150.93
  5. Step 5: Solve for x
    x = 187,901,150.93/12,349.24
  6. Step 6: Final answer
    x = 15,215.60

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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.