Home / 26,496.31-39,729.50-8,722.18

Finding the Fourth Proportional to 26,496.31, 39,729.50 and 8,722.18

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Solution

The fourth proportional to 26,496.31, 39,729.50 and 8,722.18 is: 13,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,496.31 : 39,729.50 = 8,722.18 : x
  2. Step 2: Convert to fraction form
    26,496.31/39,729.50 = 8,722.18/x
  3. Step 3: Cross multiply
    26,496.31x = 39,729.50 × 8,722.18
  4. Step 4: Simplify right side
    26,496.31x = 346,527,850.31
  5. Step 5: Solve for x
    x = 346,527,850.31/26,496.31
  6. Step 6: Final answer
    x = 13,078.34

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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.