Home / 22,852.98-31,537.89-12,781.44

Finding the Fourth Proportional to 22,852.98, 31,537.89 and 12,781.44

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Solution

The fourth proportional to 22,852.98, 31,537.89 and 12,781.44 is: 17,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,852.98 : 31,537.89 = 12,781.44 : x
  2. Step 2: Convert to fraction form
    22,852.98/31,537.89 = 12,781.44/x
  3. Step 3: Cross multiply
    22,852.98x = 31,537.89 × 12,781.44
  4. Step 4: Simplify right side
    22,852.98x = 403,099,648.76
  5. Step 5: Solve for x
    x = 403,099,648.76/22,852.98
  6. Step 6: Final answer
    x = 17,638.82

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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.