Home / 34,257.14-47,272.24-20,826.53

Finding the Fourth Proportional to 34,257.14, 47,272.24 and 20,826.53

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Solution

The fourth proportional to 34,257.14, 47,272.24 and 20,826.53 is: 28,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,257.14 : 47,272.24 = 20,826.53 : x
  2. Step 2: Convert to fraction form
    34,257.14/47,272.24 = 20,826.53/x
  3. Step 3: Cross multiply
    34,257.14x = 47,272.24 × 20,826.53
  4. Step 4: Simplify right side
    34,257.14x = 984,516,620.39
  5. Step 5: Solve for x
    x = 984,516,620.39/34,257.14
  6. Step 6: Final answer
    x = 28,739.02

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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.