Home / 20,058.56-27,682.85-11,560.98

Finding the Fourth Proportional to 20,058.56, 27,682.85 and 11,560.98

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Solution

The fourth proportional to 20,058.56, 27,682.85 and 11,560.98 is: 15,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.56 : 27,682.85 = 11,560.98 : x
  2. Step 2: Convert to fraction form
    20,058.56/27,682.85 = 11,560.98/x
  3. Step 3: Cross multiply
    20,058.56x = 27,682.85 × 11,560.98
  4. Step 4: Simplify right side
    20,058.56x = 320,040,875.19
  5. Step 5: Solve for x
    x = 320,040,875.19/20,058.56
  6. Step 6: Final answer
    x = 15,955.33

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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.