Home / 25,514.42-35,201.46-15,439.02

Finding the Fourth Proportional to 25,514.42, 35,201.46 and 15,439.02

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Solution

The fourth proportional to 25,514.42, 35,201.46 and 15,439.02 is: 21,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,514.42 : 35,201.46 = 15,439.02 : x
  2. Step 2: Convert to fraction form
    25,514.42/35,201.46 = 15,439.02/x
  3. Step 3: Cross multiply
    25,514.42x = 35,201.46 × 15,439.02
  4. Step 4: Simplify right side
    25,514.42x = 543,476,044.97
  5. Step 5: Solve for x
    x = 543,476,044.97/25,514.42
  6. Step 6: Final answer
    x = 21,300.74

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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.