Home / 13,834.11-20,756.13-7,167.41

Finding the Fourth Proportional to 13,834.11, 20,756.13 and 7,167.41

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Solution

The fourth proportional to 13,834.11, 20,756.13 and 7,167.41 is: 10,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.11 : 20,756.13 = 7,167.41 : x
  2. Step 2: Convert to fraction form
    13,834.11/20,756.13 = 7,167.41/x
  3. Step 3: Cross multiply
    13,834.11x = 20,756.13 × 7,167.41
  4. Step 4: Simplify right side
    13,834.11x = 148,767,693.72
  5. Step 5: Solve for x
    x = 148,767,693.72/13,834.11
  6. Step 6: Final answer
    x = 10,753.69

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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.