Home / 13,826.99-20,741.55-5,061.71

Finding the Fourth Proportional to 13,826.99, 20,741.55 and 5,061.71

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Solution

The fourth proportional to 13,826.99, 20,741.55 and 5,061.71 is: 7,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.99 : 20,741.55 = 5,061.71 : x
  2. Step 2: Convert to fraction form
    13,826.99/20,741.55 = 5,061.71/x
  3. Step 3: Cross multiply
    13,826.99x = 20,741.55 × 5,061.71
  4. Step 4: Simplify right side
    13,826.99x = 104,987,711.05
  5. Step 5: Solve for x
    x = 104,987,711.05/13,826.99
  6. Step 6: Final answer
    x = 7,592.95

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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.