Home / 14,877.99-20,531.27-8,163.56

Finding the Fourth Proportional to 14,877.99, 20,531.27 and 8,163.56

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Solution

The fourth proportional to 14,877.99, 20,531.27 and 8,163.56 is: 11,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.99 : 20,531.27 = 8,163.56 : x
  2. Step 2: Convert to fraction form
    14,877.99/20,531.27 = 8,163.56/x
  3. Step 3: Cross multiply
    14,877.99x = 20,531.27 × 8,163.56
  4. Step 4: Simplify right side
    14,877.99x = 167,608,172.27
  5. Step 5: Solve for x
    x = 167,608,172.27/14,877.99
  6. Step 6: Final answer
    x = 11,265.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.