Home / 14,775.20-22,144.32-7,381.73

Finding the Fourth Proportional to 14,775.20, 22,144.32 and 7,381.73

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Solution

The fourth proportional to 14,775.20, 22,144.32 and 7,381.73 is: 11,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.20 : 22,144.32 = 7,381.73 : x
  2. Step 2: Convert to fraction form
    14,775.20/22,144.32 = 7,381.73/x
  3. Step 3: Cross multiply
    14,775.20x = 22,144.32 × 7,381.73
  4. Step 4: Simplify right side
    14,775.20x = 163,463,391.27
  5. Step 5: Solve for x
    x = 163,463,391.27/14,775.20
  6. Step 6: Final answer
    x = 11,063.36

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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.