Home / 22,918.15-34,220.44-20,530.82

Finding the Fourth Proportional to 22,918.15, 34,220.44 and 20,530.82

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Solution

The fourth proportional to 22,918.15, 34,220.44 and 20,530.82 is: 30,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.15 : 34,220.44 = 20,530.82 : x
  2. Step 2: Convert to fraction form
    22,918.15/34,220.44 = 20,530.82/x
  3. Step 3: Cross multiply
    22,918.15x = 34,220.44 × 20,530.82
  4. Step 4: Simplify right side
    22,918.15x = 702,573,693.96
  5. Step 5: Solve for x
    x = 702,573,693.96/22,918.15
  6. Step 6: Final answer
    x = 30,655.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.