Home / 19,902.36-29,865.08-10,042.41

Finding the Fourth Proportional to 19,902.36, 29,865.08 and 10,042.41

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Solution

The fourth proportional to 19,902.36, 29,865.08 and 10,042.41 is: 15,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.36 : 29,865.08 = 10,042.41 : x
  2. Step 2: Convert to fraction form
    19,902.36/29,865.08 = 10,042.41/x
  3. Step 3: Cross multiply
    19,902.36x = 29,865.08 × 10,042.41
  4. Step 4: Simplify right side
    19,902.36x = 299,917,423.90
  5. Step 5: Solve for x
    x = 299,917,423.90/19,902.36
  6. Step 6: Final answer
    x = 15,069.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.