Home / 25,776.75-35,571.31-15,167.07

Finding the Fourth Proportional to 25,776.75, 35,571.31 and 15,167.07

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Solution

The fourth proportional to 25,776.75, 35,571.31 and 15,167.07 is: 20,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.75 : 35,571.31 = 15,167.07 : x
  2. Step 2: Convert to fraction form
    25,776.75/35,571.31 = 15,167.07/x
  3. Step 3: Cross multiply
    25,776.75x = 35,571.31 × 15,167.07
  4. Step 4: Simplify right side
    25,776.75x = 539,512,548.76
  5. Step 5: Solve for x
    x = 539,512,548.76/25,776.75
  6. Step 6: Final answer
    x = 20,930.20

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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.