Home / 27,357.18-37,701.34-19,790.65

Finding the Fourth Proportional to 27,357.18, 37,701.34 and 19,790.65

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Solution

The fourth proportional to 27,357.18, 37,701.34 and 19,790.65 is: 27,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357.18 : 37,701.34 = 19,790.65 : x
  2. Step 2: Convert to fraction form
    27,357.18/37,701.34 = 19,790.65/x
  3. Step 3: Cross multiply
    27,357.18x = 37,701.34 × 19,790.65
  4. Step 4: Simplify right side
    27,357.18x = 746,134,024.47
  5. Step 5: Solve for x
    x = 746,134,024.47/27,357.18
  6. Step 6: Final answer
    x = 27,273.79

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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.