Home / 16,066.80-22,172.42-9,257.06

Finding the Fourth Proportional to 16,066.80, 22,172.42 and 9,257.06

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Solution

The fourth proportional to 16,066.80, 22,172.42 and 9,257.06 is: 12,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,066.80 : 22,172.42 = 9,257.06 : x
  2. Step 2: Convert to fraction form
    16,066.80/22,172.42 = 9,257.06/x
  3. Step 3: Cross multiply
    16,066.80x = 22,172.42 × 9,257.06
  4. Step 4: Simplify right side
    16,066.80x = 205,251,419.32
  5. Step 5: Solve for x
    x = 205,251,419.32/16,066.80
  6. Step 6: Final answer
    x = 12,774.88

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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.