Home / 17,540.87-24,175.08-13,281.75

Finding the Fourth Proportional to 17,540.87, 24,175.08 and 13,281.75

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Solution

The fourth proportional to 17,540.87, 24,175.08 and 13,281.75 is: 18,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,540.87 : 24,175.08 = 13,281.75 : x
  2. Step 2: Convert to fraction form
    17,540.87/24,175.08 = 13,281.75/x
  3. Step 3: Cross multiply
    17,540.87x = 24,175.08 × 13,281.75
  4. Step 4: Simplify right side
    17,540.87x = 321,087,368.79
  5. Step 5: Solve for x
    x = 321,087,368.79/17,540.87
  6. Step 6: Final answer
    x = 18,305.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.