Home / 19,992.36-29,963.34-10,134.12

Finding the Fourth Proportional to 19,992.36, 29,963.34 and 10,134.12

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Solution

The fourth proportional to 19,992.36, 29,963.34 and 10,134.12 is: 15,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.36 : 29,963.34 = 10,134.12 : x
  2. Step 2: Convert to fraction form
    19,992.36/29,963.34 = 10,134.12/x
  3. Step 3: Cross multiply
    19,992.36x = 29,963.34 × 10,134.12
  4. Step 4: Simplify right side
    19,992.36x = 303,652,083.16
  5. Step 5: Solve for x
    x = 303,652,083.16/19,992.36
  6. Step 6: Final answer
    x = 15,188.41

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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.