Home / 18,418.36-25,417.38-10,034.68

Finding the Fourth Proportional to 18,418.36, 25,417.38 and 10,034.68

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Solution

The fourth proportional to 18,418.36, 25,417.38 and 10,034.68 is: 13,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.36 : 25,417.38 = 10,034.68 : x
  2. Step 2: Convert to fraction form
    18,418.36/25,417.38 = 10,034.68/x
  3. Step 3: Cross multiply
    18,418.36x = 25,417.38 × 10,034.68
  4. Step 4: Simplify right side
    18,418.36x = 255,055,274.74
  5. Step 5: Solve for x
    x = 255,055,274.74/18,418.36
  6. Step 6: Final answer
    x = 13,847.88

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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.