Home / 17,140.57-23,654.09-9,974.74

Finding the Fourth Proportional to 17,140.57, 23,654.09 and 9,974.74

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Solution

The fourth proportional to 17,140.57, 23,654.09 and 9,974.74 is: 13,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.57 : 23,654.09 = 9,974.74 : x
  2. Step 2: Convert to fraction form
    17,140.57/23,654.09 = 9,974.74/x
  3. Step 3: Cross multiply
    17,140.57x = 23,654.09 × 9,974.74
  4. Step 4: Simplify right side
    17,140.57x = 235,943,397.69
  5. Step 5: Solve for x
    x = 235,943,397.69/17,140.57
  6. Step 6: Final answer
    x = 13,765.20

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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.