Home / 19,621.30-27,065.24-17,109.44

Finding the Fourth Proportional to 19,621.30, 27,065.24 and 17,109.44

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Solution

The fourth proportional to 19,621.30, 27,065.24 and 17,109.44 is: 23,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.30 : 27,065.24 = 17,109.44 : x
  2. Step 2: Convert to fraction form
    19,621.30/27,065.24 = 17,109.44/x
  3. Step 3: Cross multiply
    19,621.30x = 27,065.24 × 17,109.44
  4. Step 4: Simplify right side
    19,621.30x = 463,071,099.87
  5. Step 5: Solve for x
    x = 463,071,099.87/19,621.30
  6. Step 6: Final answer
    x = 23,600.43

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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.