Home / 26,211.97-36,169.34-15,456.18

Finding the Fourth Proportional to 26,211.97, 36,169.34 and 15,456.18

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Solution

The fourth proportional to 26,211.97, 36,169.34 and 15,456.18 is: 21,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.97 : 36,169.34 = 15,456.18 : x
  2. Step 2: Convert to fraction form
    26,211.97/36,169.34 = 15,456.18/x
  3. Step 3: Cross multiply
    26,211.97x = 36,169.34 × 15,456.18
  4. Step 4: Simplify right side
    26,211.97x = 559,039,887.88
  5. Step 5: Solve for x
    x = 559,039,887.88/26,211.97
  6. Step 6: Final answer
    x = 21,327.66

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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.