Home / 13,932.84-20,897.34-5,166.54

Finding the Fourth Proportional to 13,932.84, 20,897.34 and 5,166.54

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Solution

The fourth proportional to 13,932.84, 20,897.34 and 5,166.54 is: 7,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.84 : 20,897.34 = 5,166.54 : x
  2. Step 2: Convert to fraction form
    13,932.84/20,897.34 = 5,166.54/x
  3. Step 3: Cross multiply
    13,932.84x = 20,897.34 × 5,166.54
  4. Step 4: Simplify right side
    13,932.84x = 107,966,943.00
  5. Step 5: Solve for x
    x = 107,966,943.00/13,932.84
  6. Step 6: Final answer
    x = 7,749.10

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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.