Home / 18,414.85-25,412.49-10,031.35

Finding the Fourth Proportional to 18,414.85, 25,412.49 and 10,031.35

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Solution

The fourth proportional to 18,414.85, 25,412.49 and 10,031.35 is: 13,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.85 : 25,412.49 = 10,031.35 : x
  2. Step 2: Convert to fraction form
    18,414.85/25,412.49 = 10,031.35/x
  3. Step 3: Cross multiply
    18,414.85x = 25,412.49 × 10,031.35
  4. Step 4: Simplify right side
    18,414.85x = 254,921,531.40
  5. Step 5: Solve for x
    x = 254,921,531.40/18,414.85
  6. Step 6: Final answer
    x = 13,843.26

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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.