Home / 19,542.51-29,321.96-8,443.48

Finding the Fourth Proportional to 19,542.51, 29,321.96 and 8,443.48

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Solution

The fourth proportional to 19,542.51, 29,321.96 and 8,443.48 is: 12,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.51 : 29,321.96 = 8,443.48 : x
  2. Step 2: Convert to fraction form
    19,542.51/29,321.96 = 8,443.48/x
  3. Step 3: Cross multiply
    19,542.51x = 29,321.96 × 8,443.48
  4. Step 4: Simplify right side
    19,542.51x = 247,579,340.60
  5. Step 5: Solve for x
    x = 247,579,340.60/19,542.51
  6. Step 6: Final answer
    x = 12,668.76

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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.