Home / 17,919.75-24,723.47-9,960.44

Finding the Fourth Proportional to 17,919.75, 24,723.47 and 9,960.44

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Solution

The fourth proportional to 17,919.75, 24,723.47 and 9,960.44 is: 13,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.75 : 24,723.47 = 9,960.44 : x
  2. Step 2: Convert to fraction form
    17,919.75/24,723.47 = 9,960.44/x
  3. Step 3: Cross multiply
    17,919.75x = 24,723.47 × 9,960.44
  4. Step 4: Simplify right side
    17,919.75x = 246,256,466.11
  5. Step 5: Solve for x
    x = 246,256,466.11/17,919.75
  6. Step 6: Final answer
    x = 13,742.18

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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.