Home / 16,193.51-22,349.16-9,121.29

Finding the Fourth Proportional to 16,193.51, 22,349.16 and 9,121.29

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Solution

The fourth proportional to 16,193.51, 22,349.16 and 9,121.29 is: 12,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,193.51 : 22,349.16 = 9,121.29 : x
  2. Step 2: Convert to fraction form
    16,193.51/22,349.16 = 9,121.29/x
  3. Step 3: Cross multiply
    16,193.51x = 22,349.16 × 9,121.29
  4. Step 4: Simplify right side
    16,193.51x = 203,853,169.62
  5. Step 5: Solve for x
    x = 203,853,169.62/16,193.51
  6. Step 6: Final answer
    x = 12,588.58

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Double scale
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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.