Home / 19,459.73-26,847.05-11,902.28

Finding the Fourth Proportional to 19,459.73, 26,847.05 and 11,902.28

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Solution

The fourth proportional to 19,459.73, 26,847.05 and 11,902.28 is: 16,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.73 : 26,847.05 = 11,902.28 : x
  2. Step 2: Convert to fraction form
    19,459.73/26,847.05 = 11,902.28/x
  3. Step 3: Cross multiply
    19,459.73x = 26,847.05 × 11,902.28
  4. Step 4: Simplify right side
    19,459.73x = 319,540,912.53
  5. Step 5: Solve for x
    x = 319,540,912.53/19,459.73
  6. Step 6: Final answer
    x = 16,420.63

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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.