Home / 22,535.40-33,760.06-12,644.68

Finding the Fourth Proportional to 22,535.40, 33,760.06 and 12,644.68

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Solution

The fourth proportional to 22,535.40, 33,760.06 and 12,644.68 is: 18,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,535.40 : 33,760.06 = 12,644.68 : x
  2. Step 2: Convert to fraction form
    22,535.40/33,760.06 = 12,644.68/x
  3. Step 3: Cross multiply
    22,535.40x = 33,760.06 × 12,644.68
  4. Step 4: Simplify right side
    22,535.40x = 426,885,155.48
  5. Step 5: Solve for x
    x = 426,885,155.48/22,535.40
  6. Step 6: Final answer
    x = 18,942.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.