Home / 18,031.82-24,882.09-12,371.43

Finding the Fourth Proportional to 18,031.82, 24,882.09 and 12,371.43

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Solution

The fourth proportional to 18,031.82, 24,882.09 and 12,371.43 is: 17,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.82 : 24,882.09 = 12,371.43 : x
  2. Step 2: Convert to fraction form
    18,031.82/24,882.09 = 12,371.43/x
  3. Step 3: Cross multiply
    18,031.82x = 24,882.09 × 12,371.43
  4. Step 4: Simplify right side
    18,031.82x = 307,827,081.60
  5. Step 5: Solve for x
    x = 307,827,081.60/18,031.82
  6. Step 6: Final answer
    x = 17,071.33

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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.