Home / 12,826.24-19,245.30-5,432.44

Finding the Fourth Proportional to 12,826.24, 19,245.30 and 5,432.44

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Solution

The fourth proportional to 12,826.24, 19,245.30 and 5,432.44 is: 8,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.24 : 19,245.30 = 5,432.44 : x
  2. Step 2: Convert to fraction form
    12,826.24/19,245.30 = 5,432.44/x
  3. Step 3: Cross multiply
    12,826.24x = 19,245.30 × 5,432.44
  4. Step 4: Simplify right side
    12,826.24x = 104,548,937.53
  5. Step 5: Solve for x
    x = 104,548,937.53/12,826.24
  6. Step 6: Final answer
    x = 8,151.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.