Home / 22,422.40-30,945.66-13,474.60

Finding the Fourth Proportional to 22,422.40, 30,945.66 and 13,474.60

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Solution

The fourth proportional to 22,422.40, 30,945.66 and 13,474.60 is: 18,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.40 : 30,945.66 = 13,474.60 : x
  2. Step 2: Convert to fraction form
    22,422.40/30,945.66 = 13,474.60/x
  3. Step 3: Cross multiply
    22,422.40x = 30,945.66 × 13,474.60
  4. Step 4: Simplify right side
    22,422.40x = 416,980,390.24
  5. Step 5: Solve for x
    x = 416,980,390.24/22,422.40
  6. Step 6: Final answer
    x = 18,596.60

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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.