Home / 17,629.40-24,331.08-10,917.20

Finding the Fourth Proportional to 17,629.40, 24,331.08 and 10,917.20

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Solution

The fourth proportional to 17,629.40, 24,331.08 and 10,917.20 is: 15,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,629.40 : 24,331.08 = 10,917.20 : x
  2. Step 2: Convert to fraction form
    17,629.40/24,331.08 = 10,917.20/x
  3. Step 3: Cross multiply
    17,629.40x = 24,331.08 × 10,917.20
  4. Step 4: Simplify right side
    17,629.40x = 265,627,266.58
  5. Step 5: Solve for x
    x = 265,627,266.58/17,629.40
  6. Step 6: Final answer
    x = 15,067.29

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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.