Home / 13,711.54-20,568.03-4,352.28

Finding the Fourth Proportional to 13,711.54, 20,568.03 and 4,352.28

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Solution

The fourth proportional to 13,711.54, 20,568.03 and 4,352.28 is: 6,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.54 : 20,568.03 = 4,352.28 : x
  2. Step 2: Convert to fraction form
    13,711.54/20,568.03 = 4,352.28/x
  3. Step 3: Cross multiply
    13,711.54x = 20,568.03 × 4,352.28
  4. Step 4: Simplify right side
    13,711.54x = 89,517,825.61
  5. Step 5: Solve for x
    x = 89,517,825.61/13,711.54
  6. Step 6: Final answer
    x = 6,528.65

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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.