Home / 22,410.12-33,452.25-20,561.16

Finding the Fourth Proportional to 22,410.12, 33,452.25 and 20,561.16

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Solution

The fourth proportional to 22,410.12, 33,452.25 and 20,561.16 is: 30,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,410.12 : 33,452.25 = 20,561.16 : x
  2. Step 2: Convert to fraction form
    22,410.12/33,452.25 = 20,561.16/x
  3. Step 3: Cross multiply
    22,410.12x = 33,452.25 × 20,561.16
  4. Step 4: Simplify right side
    22,410.12x = 687,817,064.61
  5. Step 5: Solve for x
    x = 687,817,064.61/22,410.12
  6. Step 6: Final answer
    x = 30,692.25

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.