Home / 18,414.87-25,412.52-10,031.37

Finding the Fourth Proportional to 18,414.87, 25,412.52 and 10,031.37

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Solution

The fourth proportional to 18,414.87, 25,412.52 and 10,031.37 is: 13,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.87 : 25,412.52 = 10,031.37 : x
  2. Step 2: Convert to fraction form
    18,414.87/25,412.52 = 10,031.37/x
  3. Step 3: Cross multiply
    18,414.87x = 25,412.52 × 10,031.37
  4. Step 4: Simplify right side
    18,414.87x = 254,922,390.75
  5. Step 5: Solve for x
    x = 254,922,390.75/18,414.87
  6. Step 6: Final answer
    x = 13,843.29

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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.