Home / 22,066.27-30,444-12,505.15

Finding the Fourth Proportional to 22,066.27, 30,444 and 12,505.15

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Solution

The fourth proportional to 22,066.27, 30,444 and 12,505.15 is: 17,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,066.27 : 30,444 = 12,505.15 : x
  2. Step 2: Convert to fraction form
    22,066.27/30,444 = 12,505.15/x
  3. Step 3: Cross multiply
    22,066.27x = 30,444 × 12,505.15
  4. Step 4: Simplify right side
    22,066.27x = 380,706,786.60
  5. Step 5: Solve for x
    x = 380,706,786.60/22,066.27
  6. Step 6: Final answer
    x = 17,252.88

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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.