Home / 20,011.11-27,613.87-11,058.49

Finding the Fourth Proportional to 20,011.11, 27,613.87 and 11,058.49

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Solution

The fourth proportional to 20,011.11, 27,613.87 and 11,058.49 is: 15,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.11 : 27,613.87 = 11,058.49 : x
  2. Step 2: Convert to fraction form
    20,011.11/27,613.87 = 11,058.49/x
  3. Step 3: Cross multiply
    20,011.11x = 27,613.87 × 11,058.49
  4. Step 4: Simplify right side
    20,011.11x = 305,367,705.26
  5. Step 5: Solve for x
    x = 305,367,705.26/20,011.11
  6. Step 6: Final answer
    x = 15,259.91

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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.