Home / 17,887.23-24,685.83-9,930.20

Finding the Fourth Proportional to 17,887.23, 24,685.83 and 9,930.20

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Solution

The fourth proportional to 17,887.23, 24,685.83 and 9,930.20 is: 13,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.23 : 24,685.83 = 9,930.20 : x
  2. Step 2: Convert to fraction form
    17,887.23/24,685.83 = 9,930.20/x
  3. Step 3: Cross multiply
    17,887.23x = 24,685.83 × 9,930.20
  4. Step 4: Simplify right side
    17,887.23x = 245,135,105.64
  5. Step 5: Solve for x
    x = 245,135,105.64/17,887.23
  6. Step 6: Final answer
    x = 13,704.48

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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.