Home / 13,399.98-18,492.46-8,093.77

Finding the Fourth Proportional to 13,399.98, 18,492.46 and 8,093.77

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Solution

The fourth proportional to 13,399.98, 18,492.46 and 8,093.77 is: 11,169.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.98 : 18,492.46 = 8,093.77 : x
  2. Step 2: Convert to fraction form
    13,399.98/18,492.46 = 8,093.77/x
  3. Step 3: Cross multiply
    13,399.98x = 18,492.46 × 8,093.77
  4. Step 4: Simplify right side
    13,399.98x = 149,673,625.51
  5. Step 5: Solve for x
    x = 149,673,625.51/13,399.98
  6. Step 6: Final answer
    x = 11,169.69

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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.