Home / 27,180.74-37,509.48-15,849.38

Finding the Fourth Proportional to 27,180.74, 37,509.48 and 15,849.38

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Solution

The fourth proportional to 27,180.74, 37,509.48 and 15,849.38 is: 21,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.74 : 37,509.48 = 15,849.38 : x
  2. Step 2: Convert to fraction form
    27,180.74/37,509.48 = 15,849.38/x
  3. Step 3: Cross multiply
    27,180.74x = 37,509.48 × 15,849.38
  4. Step 4: Simplify right side
    27,180.74x = 594,502,002.12
  5. Step 5: Solve for x
    x = 594,502,002.12/27,180.74
  6. Step 6: Final answer
    x = 21,872.18

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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.