Home / 22,243.16-30,625.62-18,878.96

Finding the Fourth Proportional to 22,243.16, 30,625.62 and 18,878.96

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Solution

The fourth proportional to 22,243.16, 30,625.62 and 18,878.96 is: 25,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.16 : 30,625.62 = 18,878.96 : x
  2. Step 2: Convert to fraction form
    22,243.16/30,625.62 = 18,878.96/x
  3. Step 3: Cross multiply
    22,243.16x = 30,625.62 × 18,878.96
  4. Step 4: Simplify right side
    22,243.16x = 578,179,854.96
  5. Step 5: Solve for x
    x = 578,179,854.96/22,243.16
  6. Step 6: Final answer
    x = 25,993.60

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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.