Home / 25,451.19-38,161.40-11,408.60

Finding the Fourth Proportional to 25,451.19, 38,161.40 and 11,408.60

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Solution

The fourth proportional to 25,451.19, 38,161.40 and 11,408.60 is: 17,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.19 : 38,161.40 = 11,408.60 : x
  2. Step 2: Convert to fraction form
    25,451.19/38,161.40 = 11,408.60/x
  3. Step 3: Cross multiply
    25,451.19x = 38,161.40 × 11,408.60
  4. Step 4: Simplify right side
    25,451.19x = 435,367,942.97
  5. Step 5: Solve for x
    x = 435,367,942.97/25,451.19
  6. Step 6: Final answer
    x = 17,106.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.