Home / 16,066.10-22,170.41-9,351.25

Finding the Fourth Proportional to 16,066.10, 22,170.41 and 9,351.25

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Solution

The fourth proportional to 16,066.10, 22,170.41 and 9,351.25 is: 12,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,066.10 : 22,170.41 = 9,351.25 : x
  2. Step 2: Convert to fraction form
    16,066.10/22,170.41 = 9,351.25/x
  3. Step 3: Cross multiply
    16,066.10x = 22,170.41 × 9,351.25
  4. Step 4: Simplify right side
    16,066.10x = 207,320,979.40
  5. Step 5: Solve for x
    x = 207,320,979.40/16,066.10
  6. Step 6: Final answer
    x = 12,904.25

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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.