Home / 13,887.47-20,833.25-4,025.46

Finding the Fourth Proportional to 13,887.47, 20,833.25 and 4,025.46

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Solution

The fourth proportional to 13,887.47, 20,833.25 and 4,025.46 is: 6,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.47 : 20,833.25 = 4,025.46 : x
  2. Step 2: Convert to fraction form
    13,887.47/20,833.25 = 4,025.46/x
  3. Step 3: Cross multiply
    13,887.47x = 20,833.25 × 4,025.46
  4. Step 4: Simplify right side
    13,887.47x = 83,863,414.55
  5. Step 5: Solve for x
    x = 83,863,414.55/13,887.47
  6. Step 6: Final answer
    x = 6,038.78

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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.