Home / 22,603.27-31,191.60-12,394.09

Finding the Fourth Proportional to 22,603.27, 31,191.60 and 12,394.09

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Solution

The fourth proportional to 22,603.27, 31,191.60 and 12,394.09 is: 17,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,603.27 : 31,191.60 = 12,394.09 : x
  2. Step 2: Convert to fraction form
    22,603.27/31,191.60 = 12,394.09/x
  3. Step 3: Cross multiply
    22,603.27x = 31,191.60 × 12,394.09
  4. Step 4: Simplify right side
    22,603.27x = 386,591,497.64
  5. Step 5: Solve for x
    x = 386,591,497.64/22,603.27
  6. Step 6: Final answer
    x = 17,103.34

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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.