Home / 22,982.10-31,714.11-12,910.97

Finding the Fourth Proportional to 22,982.10, 31,714.11 and 12,910.97

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Solution

The fourth proportional to 22,982.10, 31,714.11 and 12,910.97 is: 17,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,982.10 : 31,714.11 = 12,910.97 : x
  2. Step 2: Convert to fraction form
    22,982.10/31,714.11 = 12,910.97/x
  3. Step 3: Cross multiply
    22,982.10x = 31,714.11 × 12,910.97
  4. Step 4: Simplify right side
    22,982.10x = 409,459,764.22
  5. Step 5: Solve for x
    x = 409,459,764.22/22,982.10
  6. Step 6: Final answer
    x = 17,816.46

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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.