Home / 17,462.40-26,191.14-9,139.68

Finding the Fourth Proportional to 17,462.40, 26,191.14 and 9,139.68

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Solution

The fourth proportional to 17,462.40, 26,191.14 and 9,139.68 is: 13,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,462.40 : 26,191.14 = 9,139.68 : x
  2. Step 2: Convert to fraction form
    17,462.40/26,191.14 = 9,139.68/x
  3. Step 3: Cross multiply
    17,462.40x = 26,191.14 × 9,139.68
  4. Step 4: Simplify right side
    17,462.40x = 239,378,638.44
  5. Step 5: Solve for x
    x = 239,378,638.44/17,462.40
  6. Step 6: Final answer
    x = 13,708.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.