Home / 22,057.42-30,455.13-13,570.96

Finding the Fourth Proportional to 22,057.42, 30,455.13 and 13,570.96

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Solution

The fourth proportional to 22,057.42, 30,455.13 and 13,570.96 is: 18,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057.42 : 30,455.13 = 13,570.96 : x
  2. Step 2: Convert to fraction form
    22,057.42/30,455.13 = 13,570.96/x
  3. Step 3: Cross multiply
    22,057.42x = 30,455.13 × 13,570.96
  4. Step 4: Simplify right side
    22,057.42x = 413,305,351.02
  5. Step 5: Solve for x
    x = 413,305,351.02/22,057.42
  6. Step 6: Final answer
    x = 18,737.70

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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.