Home / 13,927.95-20,894.56-5,162.54

Finding the Fourth Proportional to 13,927.95, 20,894.56 and 5,162.54

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Solution

The fourth proportional to 13,927.95, 20,894.56 and 5,162.54 is: 7,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.95 : 20,894.56 = 5,162.54 : x
  2. Step 2: Convert to fraction form
    13,927.95/20,894.56 = 5,162.54/x
  3. Step 3: Cross multiply
    13,927.95x = 20,894.56 × 5,162.54
  4. Step 4: Simplify right side
    13,927.95x = 107,868,884.40
  5. Step 5: Solve for x
    x = 107,868,884.40/13,927.95
  6. Step 6: Final answer
    x = 7,744.78

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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.