Home / 26,193.04-36,121.54-20,215.24

Finding the Fourth Proportional to 26,193.04, 36,121.54 and 20,215.24

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Solution

The fourth proportional to 26,193.04, 36,121.54 and 20,215.24 is: 27,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,193.04 : 36,121.54 = 20,215.24 : x
  2. Step 2: Convert to fraction form
    26,193.04/36,121.54 = 20,215.24/x
  3. Step 3: Cross multiply
    26,193.04x = 36,121.54 × 20,215.24
  4. Step 4: Simplify right side
    26,193.04x = 730,205,600.27
  5. Step 5: Solve for x
    x = 730,205,600.27/26,193.04
  6. Step 6: Final answer
    x = 27,877.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.