Home / 12,796.24-19,180.14-5,398.48

Finding the Fourth Proportional to 12,796.24, 19,180.14 and 5,398.48

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Solution

The fourth proportional to 12,796.24, 19,180.14 and 5,398.48 is: 8,091.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.24 : 19,180.14 = 5,398.48 : x
  2. Step 2: Convert to fraction form
    12,796.24/19,180.14 = 5,398.48/x
  3. Step 3: Cross multiply
    12,796.24x = 19,180.14 × 5,398.48
  4. Step 4: Simplify right side
    12,796.24x = 103,543,602.19
  5. Step 5: Solve for x
    x = 103,543,602.19/12,796.24
  6. Step 6: Final answer
    x = 8,091.72

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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.