Home / 25,787.60-35,589.16-15,180.56

Finding the Fourth Proportional to 25,787.60, 35,589.16 and 15,180.56

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Solution

The fourth proportional to 25,787.60, 35,589.16 and 15,180.56 is: 20,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,787.60 : 35,589.16 = 15,180.56 : x
  2. Step 2: Convert to fraction form
    25,787.60/35,589.16 = 15,180.56/x
  3. Step 3: Cross multiply
    25,787.60x = 35,589.16 × 15,180.56
  4. Step 4: Simplify right side
    25,787.60x = 540,263,378.73
  5. Step 5: Solve for x
    x = 540,263,378.73/25,787.60
  6. Step 6: Final answer
    x = 20,950.51

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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.