Home / 19,829.16-27,365.69-11,331.09

Finding the Fourth Proportional to 19,829.16, 27,365.69 and 11,331.09

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Solution

The fourth proportional to 19,829.16, 27,365.69 and 11,331.09 is: 15,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.16 : 27,365.69 = 11,331.09 : x
  2. Step 2: Convert to fraction form
    19,829.16/27,365.69 = 11,331.09/x
  3. Step 3: Cross multiply
    19,829.16x = 27,365.69 × 11,331.09
  4. Step 4: Simplify right side
    19,829.16x = 310,083,096.30
  5. Step 5: Solve for x
    x = 310,083,096.30/19,829.16
  6. Step 6: Final answer
    x = 15,637.73

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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.