Home / 13,355.84-20,033.54-5,456.62

Finding the Fourth Proportional to 13,355.84, 20,033.54 and 5,456.62

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Solution

The fourth proportional to 13,355.84, 20,033.54 and 5,456.62 is: 8,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.84 : 20,033.54 = 5,456.62 : x
  2. Step 2: Convert to fraction form
    13,355.84/20,033.54 = 5,456.62/x
  3. Step 3: Cross multiply
    13,355.84x = 20,033.54 × 5,456.62
  4. Step 4: Simplify right side
    13,355.84x = 109,315,415.03
  5. Step 5: Solve for x
    x = 109,315,415.03/13,355.84
  6. Step 6: Final answer
    x = 8,184.84

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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.