Home / 22,081.14-30,472.12-12,009.68

Finding the Fourth Proportional to 22,081.14, 30,472.12 and 12,009.68

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Solution

The fourth proportional to 22,081.14, 30,472.12 and 12,009.68 is: 16,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.14 : 30,472.12 = 12,009.68 : x
  2. Step 2: Convert to fraction form
    22,081.14/30,472.12 = 12,009.68/x
  3. Step 3: Cross multiply
    22,081.14x = 30,472.12 × 12,009.68
  4. Step 4: Simplify right side
    22,081.14x = 365,960,410.12
  5. Step 5: Solve for x
    x = 365,960,410.12/22,081.14
  6. Step 6: Final answer
    x = 16,573.44

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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.