Home / 13,711.87-20,567.81-4,946.66

Finding the Fourth Proportional to 13,711.87, 20,567.81 and 4,946.66

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Solution

The fourth proportional to 13,711.87, 20,567.81 and 4,946.66 is: 7,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.87 : 20,567.81 = 4,946.66 : x
  2. Step 2: Convert to fraction form
    13,711.87/20,567.81 = 4,946.66/x
  3. Step 3: Cross multiply
    13,711.87x = 20,567.81 × 4,946.66
  4. Step 4: Simplify right side
    13,711.87x = 101,741,963.01
  5. Step 5: Solve for x
    x = 101,741,963.01/13,711.87
  6. Step 6: Final answer
    x = 7,419.99

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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.