Home / 27,123.12-37,425.54-15,186.96

Finding the Fourth Proportional to 27,123.12, 37,425.54 and 15,186.96

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Solution

The fourth proportional to 27,123.12, 37,425.54 and 15,186.96 is: 20,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.12 : 37,425.54 = 15,186.96 : x
  2. Step 2: Convert to fraction form
    27,123.12/37,425.54 = 15,186.96/x
  3. Step 3: Cross multiply
    27,123.12x = 37,425.54 × 15,186.96
  4. Step 4: Simplify right side
    27,123.12x = 568,380,178.96
  5. Step 5: Solve for x
    x = 568,380,178.96/27,123.12
  6. Step 6: Final answer
    x = 20,955.56

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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.