Home / 17,919.23-24,728.36-9,961.29

Finding the Fourth Proportional to 17,919.23, 24,728.36 and 9,961.29

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Solution

The fourth proportional to 17,919.23, 24,728.36 and 9,961.29 is: 13,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.23 : 24,728.36 = 9,961.29 : x
  2. Step 2: Convert to fraction form
    17,919.23/24,728.36 = 9,961.29/x
  3. Step 3: Cross multiply
    17,919.23x = 24,728.36 × 9,961.29
  4. Step 4: Simplify right side
    17,919.23x = 246,326,365.18
  5. Step 5: Solve for x
    x = 246,326,365.18/17,919.23
  6. Step 6: Final answer
    x = 13,746.48

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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.