Home / 15,436.41-23,042.85-13,568.09

Finding the Fourth Proportional to 15,436.41, 23,042.85 and 13,568.09

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Solution

The fourth proportional to 15,436.41, 23,042.85 and 13,568.09 is: 20,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.41 : 23,042.85 = 13,568.09 : x
  2. Step 2: Convert to fraction form
    15,436.41/23,042.85 = 13,568.09/x
  3. Step 3: Cross multiply
    15,436.41x = 23,042.85 × 13,568.09
  4. Step 4: Simplify right side
    15,436.41x = 312,647,496.58
  5. Step 5: Solve for x
    x = 312,647,496.58/15,436.41
  6. Step 6: Final answer
    x = 20,253.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.