Home / 26,149.56-39,223.80-17,720.04

Finding the Fourth Proportional to 26,149.56, 39,223.80 and 17,720.04

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Solution

The fourth proportional to 26,149.56, 39,223.80 and 17,720.04 is: 26,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,149.56 : 39,223.80 = 17,720.04 : x
  2. Step 2: Convert to fraction form
    26,149.56/39,223.80 = 17,720.04/x
  3. Step 3: Cross multiply
    26,149.56x = 39,223.80 × 17,720.04
  4. Step 4: Simplify right side
    26,149.56x = 695,047,304.95
  5. Step 5: Solve for x
    x = 695,047,304.95/26,149.56
  6. Step 6: Final answer
    x = 26,579.69

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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.