Home / 12,025.92-18,038.52-5,447.28

Finding the Fourth Proportional to 12,025.92, 18,038.52 and 5,447.28

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Solution

The fourth proportional to 12,025.92, 18,038.52 and 5,447.28 is: 8,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.92 : 18,038.52 = 5,447.28 : x
  2. Step 2: Convert to fraction form
    12,025.92/18,038.52 = 5,447.28/x
  3. Step 3: Cross multiply
    12,025.92x = 18,038.52 × 5,447.28
  4. Step 4: Simplify right side
    12,025.92x = 98,260,869.23
  5. Step 5: Solve for x
    x = 98,260,869.23/12,025.92
  6. Step 6: Final answer
    x = 8,170.76

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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.