Home / 22,113.80-30,458.94-16,999.56

Finding the Fourth Proportional to 22,113.80, 30,458.94 and 16,999.56

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Solution

The fourth proportional to 22,113.80, 30,458.94 and 16,999.56 is: 23,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.80 : 30,458.94 = 16,999.56 : x
  2. Step 2: Convert to fraction form
    22,113.80/30,458.94 = 16,999.56/x
  3. Step 3: Cross multiply
    22,113.80x = 30,458.94 × 16,999.56
  4. Step 4: Simplify right side
    22,113.80x = 517,788,578.07
  5. Step 5: Solve for x
    x = 517,788,578.07/22,113.80
  6. Step 6: Final answer
    x = 23,414.73

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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.