Home / 27,366.38-37,769.52-19,837.64

Finding the Fourth Proportional to 27,366.38, 37,769.52 and 19,837.64

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Solution

The fourth proportional to 27,366.38, 37,769.52 and 19,837.64 is: 27,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,366.38 : 37,769.52 = 19,837.64 : x
  2. Step 2: Convert to fraction form
    27,366.38/37,769.52 = 19,837.64/x
  3. Step 3: Cross multiply
    27,366.38x = 37,769.52 × 19,837.64
  4. Step 4: Simplify right side
    27,366.38x = 749,257,951.89
  5. Step 5: Solve for x
    x = 749,257,951.89/27,366.38
  6. Step 6: Final answer
    x = 27,378.77

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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.