Home / 22,158.24-33,243-18,215.96

Finding the Fourth Proportional to 22,158.24, 33,243 and 18,215.96

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Solution

The fourth proportional to 22,158.24, 33,243 and 18,215.96 is: 27,328.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,158.24 : 33,243 = 18,215.96 : x
  2. Step 2: Convert to fraction form
    22,158.24/33,243 = 18,215.96/x
  3. Step 3: Cross multiply
    22,158.24x = 33,243 × 18,215.96
  4. Step 4: Simplify right side
    22,158.24x = 605,553,158.28
  5. Step 5: Solve for x
    x = 605,553,158.28/22,158.24
  6. Step 6: Final answer
    x = 27,328.58

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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.