Home / 22,246.14-30,696.65-13,291.75

Finding the Fourth Proportional to 22,246.14, 30,696.65 and 13,291.75

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Solution

The fourth proportional to 22,246.14, 30,696.65 and 13,291.75 is: 18,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.14 : 30,696.65 = 13,291.75 : x
  2. Step 2: Convert to fraction form
    22,246.14/30,696.65 = 13,291.75/x
  3. Step 3: Cross multiply
    22,246.14x = 30,696.65 × 13,291.75
  4. Step 4: Simplify right side
    22,246.14x = 408,012,197.64
  5. Step 5: Solve for x
    x = 408,012,197.64/22,246.14
  6. Step 6: Final answer
    x = 18,340.81

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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.