Home / 27,137.63-37,451.77-15,202.08

Finding the Fourth Proportional to 27,137.63, 37,451.77 and 15,202.08

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Solution

The fourth proportional to 27,137.63, 37,451.77 and 15,202.08 is: 20,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.63 : 37,451.77 = 15,202.08 : x
  2. Step 2: Convert to fraction form
    27,137.63/37,451.77 = 15,202.08/x
  3. Step 3: Cross multiply
    27,137.63x = 37,451.77 × 15,202.08
  4. Step 4: Simplify right side
    27,137.63x = 569,344,765.68
  5. Step 5: Solve for x
    x = 569,344,765.68/27,137.63
  6. Step 6: Final answer
    x = 20,979.90

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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.