Home / 13,655.27-20,483.31-5,334.95

Finding the Fourth Proportional to 13,655.27, 20,483.31 and 5,334.95

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Solution

The fourth proportional to 13,655.27, 20,483.31 and 5,334.95 is: 8,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.27 : 20,483.31 = 5,334.95 : x
  2. Step 2: Convert to fraction form
    13,655.27/20,483.31 = 5,334.95/x
  3. Step 3: Cross multiply
    13,655.27x = 20,483.31 × 5,334.95
  4. Step 4: Simplify right side
    13,655.27x = 109,277,434.68
  5. Step 5: Solve for x
    x = 109,277,434.68/13,655.27
  6. Step 6: Final answer
    x = 8,002.58

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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.