Home / 26,147.57-39,220.81-17,718.03

Finding the Fourth Proportional to 26,147.57, 39,220.81 and 17,718.03

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Solution

The fourth proportional to 26,147.57, 39,220.81 and 17,718.03 is: 26,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,147.57 : 39,220.81 = 17,718.03 : x
  2. Step 2: Convert to fraction form
    26,147.57/39,220.81 = 17,718.03/x
  3. Step 3: Cross multiply
    26,147.57x = 39,220.81 × 17,718.03
  4. Step 4: Simplify right side
    26,147.57x = 694,915,443.91
  5. Step 5: Solve for x
    x = 694,915,443.91/26,147.57
  6. Step 6: Final answer
    x = 26,576.68

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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.