Home / 15,993.40-22,079.81-11,227.96

Finding the Fourth Proportional to 15,993.40, 22,079.81 and 11,227.96

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Solution

The fourth proportional to 15,993.40, 22,079.81 and 11,227.96 is: 15,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.40 : 22,079.81 = 11,227.96 : x
  2. Step 2: Convert to fraction form
    15,993.40/22,079.81 = 11,227.96/x
  3. Step 3: Cross multiply
    15,993.40x = 22,079.81 × 11,227.96
  4. Step 4: Simplify right side
    15,993.40x = 247,911,167.35
  5. Step 5: Solve for x
    x = 247,911,167.35/15,993.40
  6. Step 6: Final answer
    x = 15,500.85

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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.