Home / 26,101.57-39,163.30-18,764.19

Finding the Fourth Proportional to 26,101.57, 39,163.30 and 18,764.19

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Solution

The fourth proportional to 26,101.57, 39,163.30 and 18,764.19 is: 28,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,101.57 : 39,163.30 = 18,764.19 : x
  2. Step 2: Convert to fraction form
    26,101.57/39,163.30 = 18,764.19/x
  3. Step 3: Cross multiply
    26,101.57x = 39,163.30 × 18,764.19
  4. Step 4: Simplify right side
    26,101.57x = 734,867,602.23
  5. Step 5: Solve for x
    x = 734,867,602.23/26,101.57
  6. Step 6: Final answer
    x = 28,154.15

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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.