Home / 13,976.04-20,963.88-5,655.96

Finding the Fourth Proportional to 13,976.04, 20,963.88 and 5,655.96

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Solution

The fourth proportional to 13,976.04, 20,963.88 and 5,655.96 is: 8,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.04 : 20,963.88 = 5,655.96 : x
  2. Step 2: Convert to fraction form
    13,976.04/20,963.88 = 5,655.96/x
  3. Step 3: Cross multiply
    13,976.04x = 20,963.88 × 5,655.96
  4. Step 4: Simplify right side
    13,976.04x = 118,570,866.72
  5. Step 5: Solve for x
    x = 118,570,866.72/13,976.04
  6. Step 6: Final answer
    x = 8,483.87

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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.