Home / 26,217.20-39,233.46-21,480.32

Finding the Fourth Proportional to 26,217.20, 39,233.46 and 21,480.32

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Solution

The fourth proportional to 26,217.20, 39,233.46 and 21,480.32 is: 32,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,217.20 : 39,233.46 = 21,480.32 : x
  2. Step 2: Convert to fraction form
    26,217.20/39,233.46 = 21,480.32/x
  3. Step 3: Cross multiply
    26,217.20x = 39,233.46 × 21,480.32
  4. Step 4: Simplify right side
    26,217.20x = 842,747,275.51
  5. Step 5: Solve for x
    x = 842,747,275.51/26,217.20
  6. Step 6: Final answer
    x = 32,144.82

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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.