Home / 19,673.91-27,150.66-10,721.70

Finding the Fourth Proportional to 19,673.91, 27,150.66 and 10,721.70

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Solution

The fourth proportional to 19,673.91, 27,150.66 and 10,721.70 is: 14,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.91 : 27,150.66 = 10,721.70 : x
  2. Step 2: Convert to fraction form
    19,673.91/27,150.66 = 10,721.70/x
  3. Step 3: Cross multiply
    19,673.91x = 27,150.66 × 10,721.70
  4. Step 4: Simplify right side
    19,673.91x = 291,101,231.32
  5. Step 5: Solve for x
    x = 291,101,231.32/19,673.91
  6. Step 6: Final answer
    x = 14,796.31

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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.