Home / 27,282.09-37,648.92-15,345.43

Finding the Fourth Proportional to 27,282.09, 37,648.92 and 15,345.43

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Solution

The fourth proportional to 27,282.09, 37,648.92 and 15,345.43 is: 21,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,282.09 : 37,648.92 = 15,345.43 : x
  2. Step 2: Convert to fraction form
    27,282.09/37,648.92 = 15,345.43/x
  3. Step 3: Cross multiply
    27,282.09x = 37,648.92 × 15,345.43
  4. Step 4: Simplify right side
    27,282.09x = 577,738,866.44
  5. Step 5: Solve for x
    x = 577,738,866.44/27,282.09
  6. Step 6: Final answer
    x = 21,176.49

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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.