Home / 25,647.51-35,399.46-15,040.56

Finding the Fourth Proportional to 25,647.51, 35,399.46 and 15,040.56

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Solution

The fourth proportional to 25,647.51, 35,399.46 and 15,040.56 is: 20,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,647.51 : 35,399.46 = 15,040.56 : x
  2. Step 2: Convert to fraction form
    25,647.51/35,399.46 = 15,040.56/x
  3. Step 3: Cross multiply
    25,647.51x = 35,399.46 × 15,040.56
  4. Step 4: Simplify right side
    25,647.51x = 532,427,702.10
  5. Step 5: Solve for x
    x = 532,427,702.10/25,647.51
  6. Step 6: Final answer
    x = 20,759.43

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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.