Home / 17,239.11-23,789.64-9,685.46

Finding the Fourth Proportional to 17,239.11, 23,789.64 and 9,685.46

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Solution

The fourth proportional to 17,239.11, 23,789.64 and 9,685.46 is: 13,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.11 : 23,789.64 = 9,685.46 : x
  2. Step 2: Convert to fraction form
    17,239.11/23,789.64 = 9,685.46/x
  3. Step 3: Cross multiply
    17,239.11x = 23,789.64 × 9,685.46
  4. Step 4: Simplify right side
    17,239.11x = 230,413,487.69
  5. Step 5: Solve for x
    x = 230,413,487.69/17,239.11
  6. Step 6: Final answer
    x = 13,365.74

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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.