Home / 13,393.90-18,487.02-8,092.36

Finding the Fourth Proportional to 13,393.90, 18,487.02 and 8,092.36

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Solution

The fourth proportional to 13,393.90, 18,487.02 and 8,092.36 is: 11,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.90 : 18,487.02 = 8,092.36 : x
  2. Step 2: Convert to fraction form
    13,393.90/18,487.02 = 8,092.36/x
  3. Step 3: Cross multiply
    13,393.90x = 18,487.02 × 8,092.36
  4. Step 4: Simplify right side
    13,393.90x = 149,603,621.17
  5. Step 5: Solve for x
    x = 149,603,621.17/13,393.90
  6. Step 6: Final answer
    x = 11,169.53

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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.