Home / 13,398.24-18,490.12-8,092.02

Finding the Fourth Proportional to 13,398.24, 18,490.12 and 8,092.02

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Solution

The fourth proportional to 13,398.24, 18,490.12 and 8,092.02 is: 11,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.24 : 18,490.12 = 8,092.02 : x
  2. Step 2: Convert to fraction form
    13,398.24/18,490.12 = 8,092.02/x
  3. Step 3: Cross multiply
    13,398.24x = 18,490.12 × 8,092.02
  4. Step 4: Simplify right side
    13,398.24x = 149,622,420.84
  5. Step 5: Solve for x
    x = 149,622,420.84/13,398.24
  6. Step 6: Final answer
    x = 11,167.32

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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.