Home / 26,621.56-39,932.30-6,900.13

Finding the Fourth Proportional to 26,621.56, 39,932.30 and 6,900.13

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Solution

The fourth proportional to 26,621.56, 39,932.30 and 6,900.13 is: 10,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621.56 : 39,932.30 = 6,900.13 : x
  2. Step 2: Convert to fraction form
    26,621.56/39,932.30 = 6,900.13/x
  3. Step 3: Cross multiply
    26,621.56x = 39,932.30 × 6,900.13
  4. Step 4: Simplify right side
    26,621.56x = 275,538,076.61
  5. Step 5: Solve for x
    x = 275,538,076.61/26,621.56
  6. Step 6: Final answer
    x = 10,350.19

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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.