Home / 19,832.51-27,369.72-11,873.20

Finding the Fourth Proportional to 19,832.51, 27,369.72 and 11,873.20

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Solution

The fourth proportional to 19,832.51, 27,369.72 and 11,873.20 is: 16,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.51 : 27,369.72 = 11,873.20 : x
  2. Step 2: Convert to fraction form
    19,832.51/27,369.72 = 11,873.20/x
  3. Step 3: Cross multiply
    19,832.51x = 27,369.72 × 11,873.20
  4. Step 4: Simplify right side
    19,832.51x = 324,966,022.66
  5. Step 5: Solve for x
    x = 324,966,022.66/19,832.51
  6. Step 6: Final answer
    x = 16,385.52

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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.