Home / 17,195.78-23,730.39-9,643.73

Finding the Fourth Proportional to 17,195.78, 23,730.39 and 9,643.73

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Solution

The fourth proportional to 17,195.78, 23,730.39 and 9,643.73 is: 13,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.78 : 23,730.39 = 9,643.73 : x
  2. Step 2: Convert to fraction form
    17,195.78/23,730.39 = 9,643.73/x
  3. Step 3: Cross multiply
    17,195.78x = 23,730.39 × 9,643.73
  4. Step 4: Simplify right side
    17,195.78x = 228,849,473.95
  5. Step 5: Solve for x
    x = 228,849,473.95/17,195.78
  6. Step 6: Final answer
    x = 13,308.47

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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.