Home / 27,376.05-37,801.97-18,453.09

Finding the Fourth Proportional to 27,376.05, 37,801.97 and 18,453.09

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Solution

The fourth proportional to 27,376.05, 37,801.97 and 18,453.09 is: 25,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.05 : 37,801.97 = 18,453.09 : x
  2. Step 2: Convert to fraction form
    27,376.05/37,801.97 = 18,453.09/x
  3. Step 3: Cross multiply
    27,376.05x = 37,801.97 × 18,453.09
  4. Step 4: Simplify right side
    27,376.05x = 697,563,154.59
  5. Step 5: Solve for x
    x = 697,563,154.59/27,376.05
  6. Step 6: Final answer
    x = 25,480.78

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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.