Home / 27,148.52-37,464.80-15,211.56

Finding the Fourth Proportional to 27,148.52, 37,464.80 and 15,211.56

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Solution

The fourth proportional to 27,148.52, 37,464.80 and 15,211.56 is: 20,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.52 : 37,464.80 = 15,211.56 : x
  2. Step 2: Convert to fraction form
    27,148.52/37,464.80 = 15,211.56/x
  3. Step 3: Cross multiply
    27,148.52x = 37,464.80 × 15,211.56
  4. Step 4: Simplify right side
    27,148.52x = 569,898,053.09
  5. Step 5: Solve for x
    x = 569,898,053.09/27,148.52
  6. Step 6: Final answer
    x = 20,991.86

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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.