Home / 17,987.78-24,823.68-10,029.80

Finding the Fourth Proportional to 17,987.78, 24,823.68 and 10,029.80

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Solution

The fourth proportional to 17,987.78, 24,823.68 and 10,029.80 is: 13,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.78 : 24,823.68 = 10,029.80 : x
  2. Step 2: Convert to fraction form
    17,987.78/24,823.68 = 10,029.80/x
  3. Step 3: Cross multiply
    17,987.78x = 24,823.68 × 10,029.80
  4. Step 4: Simplify right side
    17,987.78x = 248,976,545.66
  5. Step 5: Solve for x
    x = 248,976,545.66/17,987.78
  6. Step 6: Final answer
    x = 13,841.43

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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.