Home / 13,568.18-20,358.12-7,326.95

Finding the Fourth Proportional to 13,568.18, 20,358.12 and 7,326.95

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Solution

The fourth proportional to 13,568.18, 20,358.12 and 7,326.95 is: 10,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.18 : 20,358.12 = 7,326.95 : x
  2. Step 2: Convert to fraction form
    13,568.18/20,358.12 = 7,326.95/x
  3. Step 3: Cross multiply
    13,568.18x = 20,358.12 × 7,326.95
  4. Step 4: Simplify right side
    13,568.18x = 149,162,825.54
  5. Step 5: Solve for x
    x = 149,162,825.54/13,568.18
  6. Step 6: Final answer
    x = 10,993.58

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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.