Home / 19,006.97-26,229.45-10,942.20

Finding the Fourth Proportional to 19,006.97, 26,229.45 and 10,942.20

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Solution

The fourth proportional to 19,006.97, 26,229.45 and 10,942.20 is: 15,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.97 : 26,229.45 = 10,942.20 : x
  2. Step 2: Convert to fraction form
    19,006.97/26,229.45 = 10,942.20/x
  3. Step 3: Cross multiply
    19,006.97x = 26,229.45 × 10,942.20
  4. Step 4: Simplify right side
    19,006.97x = 287,007,887.79
  5. Step 5: Solve for x
    x = 287,007,887.79/19,006.97
  6. Step 6: Final answer
    x = 15,100.14

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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.