Home / 20,716.95-31,076.51-5,928.05

Finding the Fourth Proportional to 20,716.95, 31,076.51 and 5,928.05

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Solution

The fourth proportional to 20,716.95, 31,076.51 and 5,928.05 is: 8,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716.95 : 31,076.51 = 5,928.05 : x
  2. Step 2: Convert to fraction form
    20,716.95/31,076.51 = 5,928.05/x
  3. Step 3: Cross multiply
    20,716.95x = 31,076.51 × 5,928.05
  4. Step 4: Simplify right side
    20,716.95x = 184,222,920.08
  5. Step 5: Solve for x
    x = 184,222,920.08/20,716.95
  6. Step 6: Final answer
    x = 8,892.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.