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Finding the Fourth Proportional to 22,951.44, 31,675.08 and 13,999.44

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Solution

The fourth proportional to 22,951.44, 31,675.08 and 13,999.44 is: 19,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,951.44 : 31,675.08 = 13,999.44 : x
  2. Step 2: Convert to fraction form
    22,951.44/31,675.08 = 13,999.44/x
  3. Step 3: Cross multiply
    22,951.44x = 31,675.08 × 13,999.44
  4. Step 4: Simplify right side
    22,951.44x = 443,433,381.96
  5. Step 5: Solve for x
    x = 443,433,381.96/22,951.44
  6. Step 6: Final answer
    x = 19,320.50

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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.