Home / 22,659.14-31,268.40-13,099.22

Finding the Fourth Proportional to 22,659.14, 31,268.40 and 13,099.22

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Solution

The fourth proportional to 22,659.14, 31,268.40 and 13,099.22 is: 18,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.14 : 31,268.40 = 13,099.22 : x
  2. Step 2: Convert to fraction form
    22,659.14/31,268.40 = 13,099.22/x
  3. Step 3: Cross multiply
    22,659.14x = 31,268.40 × 13,099.22
  4. Step 4: Simplify right side
    22,659.14x = 409,591,672.97
  5. Step 5: Solve for x
    x = 409,591,672.97/22,659.14
  6. Step 6: Final answer
    x = 18,076.22

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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.