Home / 22,749.07-31,393.29-12,677.29

Finding the Fourth Proportional to 22,749.07, 31,393.29 and 12,677.29

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Solution

The fourth proportional to 22,749.07, 31,393.29 and 12,677.29 is: 17,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.07 : 31,393.29 = 12,677.29 : x
  2. Step 2: Convert to fraction form
    22,749.07/31,393.29 = 12,677.29/x
  3. Step 3: Cross multiply
    22,749.07x = 31,393.29 × 12,677.29
  4. Step 4: Simplify right side
    22,749.07x = 397,981,621.03
  5. Step 5: Solve for x
    x = 397,981,621.03/22,749.07
  6. Step 6: Final answer
    x = 17,494.42

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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.