Home / 22,157.98-33,243.24-9,019.78

Finding the Fourth Proportional to 22,157.98, 33,243.24 and 9,019.78

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Solution

The fourth proportional to 22,157.98, 33,243.24 and 9,019.78 is: 13,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.98 : 33,243.24 = 9,019.78 : x
  2. Step 2: Convert to fraction form
    22,157.98/33,243.24 = 9,019.78/x
  3. Step 3: Cross multiply
    22,157.98x = 33,243.24 × 9,019.78
  4. Step 4: Simplify right side
    22,157.98x = 299,846,711.29
  5. Step 5: Solve for x
    x = 299,846,711.29/22,157.98
  6. Step 6: Final answer
    x = 13,532.22

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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.