Home / 26,723.70-40,085.55-11,139.30

Finding the Fourth Proportional to 26,723.70, 40,085.55 and 11,139.30

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Solution

The fourth proportional to 26,723.70, 40,085.55 and 11,139.30 is: 16,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,723.70 : 40,085.55 = 11,139.30 : x
  2. Step 2: Convert to fraction form
    26,723.70/40,085.55 = 11,139.30/x
  3. Step 3: Cross multiply
    26,723.70x = 40,085.55 × 11,139.30
  4. Step 4: Simplify right side
    26,723.70x = 446,524,967.12
  5. Step 5: Solve for x
    x = 446,524,967.12/26,723.70
  6. Step 6: Final answer
    x = 16,708.95

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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.