Home / 26,231.33-39,325.55-12,200.11

Finding the Fourth Proportional to 26,231.33, 39,325.55 and 12,200.11

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Solution

The fourth proportional to 26,231.33, 39,325.55 and 12,200.11 is: 18,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.33 : 39,325.55 = 12,200.11 : x
  2. Step 2: Convert to fraction form
    26,231.33/39,325.55 = 12,200.11/x
  3. Step 3: Cross multiply
    26,231.33x = 39,325.55 × 12,200.11
  4. Step 4: Simplify right side
    26,231.33x = 479,776,035.81
  5. Step 5: Solve for x
    x = 479,776,035.81/26,231.33
  6. Step 6: Final answer
    x = 18,290.19

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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.