Home / 16,191.87-22,343.13-11,945.25

Finding the Fourth Proportional to 16,191.87, 22,343.13 and 11,945.25

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Solution

The fourth proportional to 16,191.87, 22,343.13 and 11,945.25 is: 16,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.87 : 22,343.13 = 11,945.25 : x
  2. Step 2: Convert to fraction form
    16,191.87/22,343.13 = 11,945.25/x
  3. Step 3: Cross multiply
    16,191.87x = 22,343.13 × 11,945.25
  4. Step 4: Simplify right side
    16,191.87x = 266,894,273.63
  5. Step 5: Solve for x
    x = 266,894,273.63/16,191.87
  6. Step 6: Final answer
    x = 16,483.23

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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.