Home / 26,515.82-36,591.92-15,185.50

Finding the Fourth Proportional to 26,515.82, 36,591.92 and 15,185.50

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Solution

The fourth proportional to 26,515.82, 36,591.92 and 15,185.50 is: 20,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,515.82 : 36,591.92 = 15,185.50 : x
  2. Step 2: Convert to fraction form
    26,515.82/36,591.92 = 15,185.50/x
  3. Step 3: Cross multiply
    26,515.82x = 36,591.92 × 15,185.50
  4. Step 4: Simplify right side
    26,515.82x = 555,666,601.16
  5. Step 5: Solve for x
    x = 555,666,601.16/26,515.82
  6. Step 6: Final answer
    x = 20,956.04

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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.