Home / 15,542.44-21,448.58-8,468.86

Finding the Fourth Proportional to 15,542.44, 21,448.58 and 8,468.86

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Solution

The fourth proportional to 15,542.44, 21,448.58 and 8,468.86 is: 11,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.44 : 21,448.58 = 8,468.86 : x
  2. Step 2: Convert to fraction form
    15,542.44/21,448.58 = 8,468.86/x
  3. Step 3: Cross multiply
    15,542.44x = 21,448.58 × 8,468.86
  4. Step 4: Simplify right side
    15,542.44x = 181,645,021.22
  5. Step 5: Solve for x
    x = 181,645,021.22/15,542.44
  6. Step 6: Final answer
    x = 11,687.03

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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.