Home / 17,240.74-23,791.30-9,687.38

Finding the Fourth Proportional to 17,240.74, 23,791.30 and 9,687.38

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Solution

The fourth proportional to 17,240.74, 23,791.30 and 9,687.38 is: 13,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,240.74 : 23,791.30 = 9,687.38 : x
  2. Step 2: Convert to fraction form
    17,240.74/23,791.30 = 9,687.38/x
  3. Step 3: Cross multiply
    17,240.74x = 23,791.30 × 9,687.38
  4. Step 4: Simplify right side
    17,240.74x = 230,475,363.79
  5. Step 5: Solve for x
    x = 230,475,363.79/17,240.74
  6. Step 6: Final answer
    x = 13,368.07

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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.