Home / 26,722.12-40,107.66-13,583.56

Finding the Fourth Proportional to 26,722.12, 40,107.66 and 13,583.56

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Solution

The fourth proportional to 26,722.12, 40,107.66 and 13,583.56 is: 20,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,722.12 : 40,107.66 = 13,583.56 : x
  2. Step 2: Convert to fraction form
    26,722.12/40,107.66 = 13,583.56/x
  3. Step 3: Cross multiply
    26,722.12x = 40,107.66 × 13,583.56
  4. Step 4: Simplify right side
    26,722.12x = 544,804,806.07
  5. Step 5: Solve for x
    x = 544,804,806.07/26,722.12
  6. Step 6: Final answer
    x = 20,387.78

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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.