Home / 17,491.13-26,240.43-5,645.57

Finding the Fourth Proportional to 17,491.13, 26,240.43 and 5,645.57

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Solution

The fourth proportional to 17,491.13, 26,240.43 and 5,645.57 is: 8,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,491.13 : 26,240.43 = 5,645.57 : x
  2. Step 2: Convert to fraction form
    17,491.13/26,240.43 = 5,645.57/x
  3. Step 3: Cross multiply
    17,491.13x = 26,240.43 × 5,645.57
  4. Step 4: Simplify right side
    17,491.13x = 148,142,053.19
  5. Step 5: Solve for x
    x = 148,142,053.19/17,491.13
  6. Step 6: Final answer
    x = 8,469.56

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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.