Home / 19,680.99-27,158.41-11,068.46

Finding the Fourth Proportional to 19,680.99, 27,158.41 and 11,068.46

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Solution

The fourth proportional to 19,680.99, 27,158.41 and 11,068.46 is: 15,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.99 : 27,158.41 = 11,068.46 : x
  2. Step 2: Convert to fraction form
    19,680.99/27,158.41 = 11,068.46/x
  3. Step 3: Cross multiply
    19,680.99x = 27,158.41 × 11,068.46
  4. Step 4: Simplify right side
    19,680.99x = 300,601,814.97
  5. Step 5: Solve for x
    x = 300,601,814.97/19,680.99
  6. Step 6: Final answer
    x = 15,273.71

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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.