Home / 25,826.60-35,648.34-15,219.65

Finding the Fourth Proportional to 25,826.60, 35,648.34 and 15,219.65

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Solution

The fourth proportional to 25,826.60, 35,648.34 and 15,219.65 is: 21,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,826.60 : 35,648.34 = 15,219.65 : x
  2. Step 2: Convert to fraction form
    25,826.60/35,648.34 = 15,219.65/x
  3. Step 3: Cross multiply
    25,826.60x = 35,648.34 × 15,219.65
  4. Step 4: Simplify right side
    25,826.60x = 542,555,257.88
  5. Step 5: Solve for x
    x = 542,555,257.88/25,826.60
  6. Step 6: Final answer
    x = 21,007.61

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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.