Home / 22,079.13-30,469.35-12,007.68

Finding the Fourth Proportional to 22,079.13, 30,469.35 and 12,007.68

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Solution

The fourth proportional to 22,079.13, 30,469.35 and 12,007.68 is: 16,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.13 : 30,469.35 = 12,007.68 : x
  2. Step 2: Convert to fraction form
    22,079.13/30,469.35 = 12,007.68/x
  3. Step 3: Cross multiply
    22,079.13x = 30,469.35 × 12,007.68
  4. Step 4: Simplify right side
    22,079.13x = 365,866,204.61
  5. Step 5: Solve for x
    x = 365,866,204.61/22,079.13
  6. Step 6: Final answer
    x = 16,570.68

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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.