Home / 17,177.40-25,778.25-10,153.08

Finding the Fourth Proportional to 17,177.40, 25,778.25 and 10,153.08

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Solution

The fourth proportional to 17,177.40, 25,778.25 and 10,153.08 is: 15,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177.40 : 25,778.25 = 10,153.08 : x
  2. Step 2: Convert to fraction form
    17,177.40/25,778.25 = 10,153.08/x
  3. Step 3: Cross multiply
    17,177.40x = 25,778.25 × 10,153.08
  4. Step 4: Simplify right side
    17,177.40x = 261,728,634.51
  5. Step 5: Solve for x
    x = 261,728,634.51/17,177.40
  6. Step 6: Final answer
    x = 15,236.80

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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.