Home / 22,171.28-30,595.24-12,099.63

Finding the Fourth Proportional to 22,171.28, 30,595.24 and 12,099.63

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Solution

The fourth proportional to 22,171.28, 30,595.24 and 12,099.63 is: 16,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.28 : 30,595.24 = 12,099.63 : x
  2. Step 2: Convert to fraction form
    22,171.28/30,595.24 = 12,099.63/x
  3. Step 3: Cross multiply
    22,171.28x = 30,595.24 × 12,099.63
  4. Step 4: Simplify right side
    22,171.28x = 370,191,145.56
  5. Step 5: Solve for x
    x = 370,191,145.56/22,171.28
  6. Step 6: Final answer
    x = 16,696.88

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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.