Home / 23,167.88-31,971.64-12,557.44

Finding the Fourth Proportional to 23,167.88, 31,971.64 and 12,557.44

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Solution

The fourth proportional to 23,167.88, 31,971.64 and 12,557.44 is: 17,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,167.88 : 31,971.64 = 12,557.44 : x
  2. Step 2: Convert to fraction form
    23,167.88/31,971.64 = 12,557.44/x
  3. Step 3: Cross multiply
    23,167.88x = 31,971.64 × 12,557.44
  4. Step 4: Simplify right side
    23,167.88x = 401,481,951.00
  5. Step 5: Solve for x
    x = 401,481,951.00/23,167.88
  6. Step 6: Final answer
    x = 17,329.25

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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.