Home / 22,852.82-31,537.75-12,781.24

Finding the Fourth Proportional to 22,852.82, 31,537.75 and 12,781.24

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Solution

The fourth proportional to 22,852.82, 31,537.75 and 12,781.24 is: 17,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,852.82 : 31,537.75 = 12,781.24 : x
  2. Step 2: Convert to fraction form
    22,852.82/31,537.75 = 12,781.24/x
  3. Step 3: Cross multiply
    22,852.82x = 31,537.75 × 12,781.24
  4. Step 4: Simplify right side
    22,852.82x = 403,091,441.01
  5. Step 5: Solve for x
    x = 403,091,441.01/22,852.82
  6. Step 6: Final answer
    x = 17,638.58

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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.