Home / 17,487.11-26,238.42-9,165.15

Finding the Fourth Proportional to 17,487.11, 26,238.42 and 9,165.15

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Solution

The fourth proportional to 17,487.11, 26,238.42 and 9,165.15 is: 13,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.11 : 26,238.42 = 9,165.15 : x
  2. Step 2: Convert to fraction form
    17,487.11/26,238.42 = 9,165.15/x
  3. Step 3: Cross multiply
    17,487.11x = 26,238.42 × 9,165.15
  4. Step 4: Simplify right side
    17,487.11x = 240,479,055.06
  5. Step 5: Solve for x
    x = 240,479,055.06/17,487.11
  6. Step 6: Final answer
    x = 13,751.79

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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.