Home / 17,971.78-24,799.62-10,902.10

Finding the Fourth Proportional to 17,971.78, 24,799.62 and 10,902.10

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Solution

The fourth proportional to 17,971.78, 24,799.62 and 10,902.10 is: 15,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.78 : 24,799.62 = 10,902.10 : x
  2. Step 2: Convert to fraction form
    17,971.78/24,799.62 = 10,902.10/x
  3. Step 3: Cross multiply
    17,971.78x = 24,799.62 × 10,902.10
  4. Step 4: Simplify right side
    17,971.78x = 270,367,937.20
  5. Step 5: Solve for x
    x = 270,367,937.20/17,971.78
  6. Step 6: Final answer
    x = 15,044.03

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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.