Home / 13,051.29-19,578.45-4,163.52

Finding the Fourth Proportional to 13,051.29, 19,578.45 and 4,163.52

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Solution

The fourth proportional to 13,051.29, 19,578.45 and 4,163.52 is: 6,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.29 : 19,578.45 = 4,163.52 : x
  2. Step 2: Convert to fraction form
    13,051.29/19,578.45 = 4,163.52/x
  3. Step 3: Cross multiply
    13,051.29x = 19,578.45 × 4,163.52
  4. Step 4: Simplify right side
    13,051.29x = 81,515,268.14
  5. Step 5: Solve for x
    x = 81,515,268.14/13,051.29
  6. Step 6: Final answer
    x = 6,245.76

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1.5x scale

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.