Home / 19,998.27-27,650.18-19,682.51

Finding the Fourth Proportional to 19,998.27, 27,650.18 and 19,682.51

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Solution

The fourth proportional to 19,998.27, 27,650.18 and 19,682.51 is: 27,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.27 : 27,650.18 = 19,682.51 : x
  2. Step 2: Convert to fraction form
    19,998.27/27,650.18 = 19,682.51/x
  3. Step 3: Cross multiply
    19,998.27x = 27,650.18 × 19,682.51
  4. Step 4: Simplify right side
    19,998.27x = 544,224,855.31
  5. Step 5: Solve for x
    x = 544,224,855.31/19,998.27
  6. Step 6: Final answer
    x = 27,213.60

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Double scale
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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.