Home / 16,138.90-22,273.77-9,066.69

Finding the Fourth Proportional to 16,138.90, 22,273.77 and 9,066.69

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Solution

The fourth proportional to 16,138.90, 22,273.77 and 9,066.69 is: 12,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.90 : 22,273.77 = 9,066.69 : x
  2. Step 2: Convert to fraction form
    16,138.90/22,273.77 = 9,066.69/x
  3. Step 3: Cross multiply
    16,138.90x = 22,273.77 × 9,066.69
  4. Step 4: Simplify right side
    16,138.90x = 201,949,396.53
  5. Step 5: Solve for x
    x = 201,949,396.53/16,138.90
  6. Step 6: Final answer
    x = 12,513.20

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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.