Home / 13,553.84-20,322.66-5,226.95

Finding the Fourth Proportional to 13,553.84, 20,322.66 and 5,226.95

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Solution

The fourth proportional to 13,553.84, 20,322.66 and 5,226.95 is: 7,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.84 : 20,322.66 = 5,226.95 : x
  2. Step 2: Convert to fraction form
    13,553.84/20,322.66 = 5,226.95/x
  3. Step 3: Cross multiply
    13,553.84x = 20,322.66 × 5,226.95
  4. Step 4: Simplify right side
    13,553.84x = 106,225,527.69
  5. Step 5: Solve for x
    x = 106,225,527.69/13,553.84
  6. Step 6: Final answer
    x = 7,837.30

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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.