Home / 16,081.35-22,193.44-9,709.51

Finding the Fourth Proportional to 16,081.35, 22,193.44 and 9,709.51

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Solution

The fourth proportional to 16,081.35, 22,193.44 and 9,709.51 is: 13,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,081.35 : 22,193.44 = 9,709.51 : x
  2. Step 2: Convert to fraction form
    16,081.35/22,193.44 = 9,709.51/x
  3. Step 3: Cross multiply
    16,081.35x = 22,193.44 × 9,709.51
  4. Step 4: Simplify right side
    16,081.35x = 215,487,347.86
  5. Step 5: Solve for x
    x = 215,487,347.86/16,081.35
  6. Step 6: Final answer
    x = 13,399.83

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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.