Home / 17,076.32-25,614.49-5,390.45

Finding the Fourth Proportional to 17,076.32, 25,614.49 and 5,390.45

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Solution

The fourth proportional to 17,076.32, 25,614.49 and 5,390.45 is: 8,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076.32 : 25,614.49 = 5,390.45 : x
  2. Step 2: Convert to fraction form
    17,076.32/25,614.49 = 5,390.45/x
  3. Step 3: Cross multiply
    17,076.32x = 25,614.49 × 5,390.45
  4. Step 4: Simplify right side
    17,076.32x = 138,073,627.62
  5. Step 5: Solve for x
    x = 138,073,627.62/17,076.32
  6. Step 6: Final answer
    x = 8,085.68

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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.