Home / 27,985.44-41,958.18-13,186.56

Finding the Fourth Proportional to 27,985.44, 41,958.18 and 13,186.56

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Solution

The fourth proportional to 27,985.44, 41,958.18 and 13,186.56 is: 19,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.44 : 41,958.18 = 13,186.56 : x
  2. Step 2: Convert to fraction form
    27,985.44/41,958.18 = 13,186.56/x
  3. Step 3: Cross multiply
    27,985.44x = 41,958.18 × 13,186.56
  4. Step 4: Simplify right side
    27,985.44x = 553,284,058.06
  5. Step 5: Solve for x
    x = 553,284,058.06/27,985.44
  6. Step 6: Final answer
    x = 19,770.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.