Home / 16,167.05-22,325.19-12,181.25

Finding the Fourth Proportional to 16,167.05, 22,325.19 and 12,181.25

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Solution

The fourth proportional to 16,167.05, 22,325.19 and 12,181.25 is: 16,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,167.05 : 22,325.19 = 12,181.25 : x
  2. Step 2: Convert to fraction form
    16,167.05/22,325.19 = 12,181.25/x
  3. Step 3: Cross multiply
    16,167.05x = 22,325.19 × 12,181.25
  4. Step 4: Simplify right side
    16,167.05x = 271,948,720.69
  5. Step 5: Solve for x
    x = 271,948,720.69/16,167.05
  6. Step 6: Final answer
    x = 16,821.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.