Home / 22,195.46-30,629.53-12,123.90

Finding the Fourth Proportional to 22,195.46, 30,629.53 and 12,123.90

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Solution

The fourth proportional to 22,195.46, 30,629.53 and 12,123.90 is: 16,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.46 : 30,629.53 = 12,123.90 : x
  2. Step 2: Convert to fraction form
    22,195.46/30,629.53 = 12,123.90/x
  3. Step 3: Cross multiply
    22,195.46x = 30,629.53 × 12,123.90
  4. Step 4: Simplify right side
    22,195.46x = 371,349,358.77
  5. Step 5: Solve for x
    x = 371,349,358.77/22,195.46
  6. Step 6: Final answer
    x = 16,730.87

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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.