Home / 22,917.11-31,622.84-12,843.24

Finding the Fourth Proportional to 22,917.11, 31,622.84 and 12,843.24

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Solution

The fourth proportional to 22,917.11, 31,622.84 and 12,843.24 is: 17,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917.11 : 31,622.84 = 12,843.24 : x
  2. Step 2: Convert to fraction form
    22,917.11/31,622.84 = 12,843.24/x
  3. Step 3: Cross multiply
    22,917.11x = 31,622.84 × 12,843.24
  4. Step 4: Simplify right side
    22,917.11x = 406,139,588.96
  5. Step 5: Solve for x
    x = 406,139,588.96/22,917.11
  6. Step 6: Final answer
    x = 17,722.12

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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.