Home / 13,025.18-19,540.19-4,260.56

Finding the Fourth Proportional to 13,025.18, 19,540.19 and 4,260.56

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Solution

The fourth proportional to 13,025.18, 19,540.19 and 4,260.56 is: 6,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.18 : 19,540.19 = 4,260.56 : x
  2. Step 2: Convert to fraction form
    13,025.18/19,540.19 = 4,260.56/x
  3. Step 3: Cross multiply
    13,025.18x = 19,540.19 × 4,260.56
  4. Step 4: Simplify right side
    13,025.18x = 83,252,151.91
  5. Step 5: Solve for x
    x = 83,252,151.91/13,025.18
  6. Step 6: Final answer
    x = 6,391.63

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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.