Home / 23,099.53-31,877.20-13,028.06

Finding the Fourth Proportional to 23,099.53, 31,877.20 and 13,028.06

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Solution

The fourth proportional to 23,099.53, 31,877.20 and 13,028.06 is: 17,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,099.53 : 31,877.20 = 13,028.06 : x
  2. Step 2: Convert to fraction form
    23,099.53/31,877.20 = 13,028.06/x
  3. Step 3: Cross multiply
    23,099.53x = 31,877.20 × 13,028.06
  4. Step 4: Simplify right side
    23,099.53x = 415,297,917.62
  5. Step 5: Solve for x
    x = 415,297,917.62/23,099.53
  6. Step 6: Final answer
    x = 17,978.63

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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.