Home / 22,052.72-30,429.20-13,552.11

Finding the Fourth Proportional to 22,052.72, 30,429.20 and 13,552.11

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Solution

The fourth proportional to 22,052.72, 30,429.20 and 13,552.11 is: 18,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.72 : 30,429.20 = 13,552.11 : x
  2. Step 2: Convert to fraction form
    22,052.72/30,429.20 = 13,552.11/x
  3. Step 3: Cross multiply
    22,052.72x = 30,429.20 × 13,552.11
  4. Step 4: Simplify right side
    22,052.72x = 412,379,899.49
  5. Step 5: Solve for x
    x = 412,379,899.49/22,052.72
  6. Step 6: Final answer
    x = 18,699.73

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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.