Home / 22,786.75-31,446.93-13,358.35

Finding the Fourth Proportional to 22,786.75, 31,446.93 and 13,358.35

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Solution

The fourth proportional to 22,786.75, 31,446.93 and 13,358.35 is: 18,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,786.75 : 31,446.93 = 13,358.35 : x
  2. Step 2: Convert to fraction form
    22,786.75/31,446.93 = 13,358.35/x
  3. Step 3: Cross multiply
    22,786.75x = 31,446.93 × 13,358.35
  4. Step 4: Simplify right side
    22,786.75x = 420,079,097.37
  5. Step 5: Solve for x
    x = 420,079,097.37/22,786.75
  6. Step 6: Final answer
    x = 18,435.24

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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.