Home / 22,135.85-30,553.89-14,480.24

Finding the Fourth Proportional to 22,135.85, 30,553.89 and 14,480.24

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Solution

The fourth proportional to 22,135.85, 30,553.89 and 14,480.24 is: 19,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.85 : 30,553.89 = 14,480.24 : x
  2. Step 2: Convert to fraction form
    22,135.85/30,553.89 = 14,480.24/x
  3. Step 3: Cross multiply
    22,135.85x = 30,553.89 × 14,480.24
  4. Step 4: Simplify right side
    22,135.85x = 442,427,660.13
  5. Step 5: Solve for x
    x = 442,427,660.13/22,135.85
  6. Step 6: Final answer
    x = 19,986.93

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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.