Home / 16,079.09-22,189.44-9,005.49

Finding the Fourth Proportional to 16,079.09, 22,189.44 and 9,005.49

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Solution

The fourth proportional to 16,079.09, 22,189.44 and 9,005.49 is: 12,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.09 : 22,189.44 = 9,005.49 : x
  2. Step 2: Convert to fraction form
    16,079.09/22,189.44 = 9,005.49/x
  3. Step 3: Cross multiply
    16,079.09x = 22,189.44 × 9,005.49
  4. Step 4: Simplify right side
    16,079.09x = 199,826,780.03
  5. Step 5: Solve for x
    x = 199,826,780.03/16,079.09
  6. Step 6: Final answer
    x = 12,427.75

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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.