Home / 20,010.71-27,613.89-11,058.02

Finding the Fourth Proportional to 20,010.71, 27,613.89 and 11,058.02

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Solution

The fourth proportional to 20,010.71, 27,613.89 and 11,058.02 is: 15,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.71 : 27,613.89 = 11,058.02 : x
  2. Step 2: Convert to fraction form
    20,010.71/27,613.89 = 11,058.02/x
  3. Step 3: Cross multiply
    20,010.71x = 27,613.89 × 11,058.02
  4. Step 4: Simplify right side
    20,010.71x = 305,355,016.93
  5. Step 5: Solve for x
    x = 305,355,016.93/20,010.71
  6. Step 6: Final answer
    x = 15,259.58

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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.