Home / 27,123.10-37,425.56-15,186.94

Finding the Fourth Proportional to 27,123.10, 37,425.56 and 15,186.94

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Solution

The fourth proportional to 27,123.10, 37,425.56 and 15,186.94 is: 20,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.10 : 37,425.56 = 15,186.94 : x
  2. Step 2: Convert to fraction form
    27,123.10/37,425.56 = 15,186.94/x
  3. Step 3: Cross multiply
    27,123.10x = 37,425.56 × 15,186.94
  4. Step 4: Simplify right side
    27,123.10x = 568,379,734.19
  5. Step 5: Solve for x
    x = 568,379,734.19/27,123.10
  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.