Home / 22,197.16-30,600.30-13,693.60

Finding the Fourth Proportional to 22,197.16, 30,600.30 and 13,693.60

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Solution

The fourth proportional to 22,197.16, 30,600.30 and 13,693.60 is: 18,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.16 : 30,600.30 = 13,693.60 : x
  2. Step 2: Convert to fraction form
    22,197.16/30,600.30 = 13,693.60/x
  3. Step 3: Cross multiply
    22,197.16x = 30,600.30 × 13,693.60
  4. Step 4: Simplify right side
    22,197.16x = 419,028,268.08
  5. Step 5: Solve for x
    x = 419,028,268.08/22,197.16
  6. Step 6: Final answer
    x = 18,877.56

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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.