Home / 26,281.22-39,332.19-20,464.34

Finding the Fourth Proportional to 26,281.22, 39,332.19 and 20,464.34

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Solution

The fourth proportional to 26,281.22, 39,332.19 and 20,464.34 is: 30,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,281.22 : 39,332.19 = 20,464.34 : x
  2. Step 2: Convert to fraction form
    26,281.22/39,332.19 = 20,464.34/x
  3. Step 3: Cross multiply
    26,281.22x = 39,332.19 × 20,464.34
  4. Step 4: Simplify right side
    26,281.22x = 804,907,309.10
  5. Step 5: Solve for x
    x = 804,907,309.10/26,281.22
  6. Step 6: Final answer
    x = 30,626.71

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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.