Home / 19,721.52-27,214.61-10,767.24

Finding the Fourth Proportional to 19,721.52, 27,214.61 and 10,767.24

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Solution

The fourth proportional to 19,721.52, 27,214.61 and 10,767.24 is: 14,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.52 : 27,214.61 = 10,767.24 : x
  2. Step 2: Convert to fraction form
    19,721.52/27,214.61 = 10,767.24/x
  3. Step 3: Cross multiply
    19,721.52x = 27,214.61 × 10,767.24
  4. Step 4: Simplify right side
    19,721.52x = 293,026,183.54
  5. Step 5: Solve for x
    x = 293,026,183.54/19,721.52
  6. Step 6: Final answer
    x = 14,858.19

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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.