Home / 22,415.40-30,935.97-13,467.60

Finding the Fourth Proportional to 22,415.40, 30,935.97 and 13,467.60

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Solution

The fourth proportional to 22,415.40, 30,935.97 and 13,467.60 is: 18,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.40 : 30,935.97 = 13,467.60 : x
  2. Step 2: Convert to fraction form
    22,415.40/30,935.97 = 13,467.60/x
  3. Step 3: Cross multiply
    22,415.40x = 30,935.97 × 13,467.60
  4. Step 4: Simplify right side
    22,415.40x = 416,633,269.57
  5. Step 5: Solve for x
    x = 416,633,269.57/22,415.40
  6. Step 6: Final answer
    x = 18,586.92

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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.