Home / 22,074.60-30,462.30-12,515.38

Finding the Fourth Proportional to 22,074.60, 30,462.30 and 12,515.38

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Solution

The fourth proportional to 22,074.60, 30,462.30 and 12,515.38 is: 17,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,074.60 : 30,462.30 = 12,515.38 : x
  2. Step 2: Convert to fraction form
    22,074.60/30,462.30 = 12,515.38/x
  3. Step 3: Cross multiply
    22,074.60x = 30,462.30 × 12,515.38
  4. Step 4: Simplify right side
    22,074.60x = 381,247,260.17
  5. Step 5: Solve for x
    x = 381,247,260.17/22,074.60
  6. Step 6: Final answer
    x = 17,270.86

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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.