Home / 22,087.48-30,480.66-12,015.88

Finding the Fourth Proportional to 22,087.48, 30,480.66 and 12,015.88

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Solution

The fourth proportional to 22,087.48, 30,480.66 and 12,015.88 is: 16,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,087.48 : 30,480.66 = 12,015.88 : x
  2. Step 2: Convert to fraction form
    22,087.48/30,480.66 = 12,015.88/x
  3. Step 3: Cross multiply
    22,087.48x = 30,480.66 × 12,015.88
  4. Step 4: Simplify right side
    22,087.48x = 366,251,952.88
  5. Step 5: Solve for x
    x = 366,251,952.88/22,087.48
  6. Step 6: Final answer
    x = 16,581.88

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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.