Home / 27,187.21-37,513.59-15,251.05

Finding the Fourth Proportional to 27,187.21, 37,513.59 and 15,251.05

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Solution

The fourth proportional to 27,187.21, 37,513.59 and 15,251.05 is: 21,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.21 : 37,513.59 = 15,251.05 : x
  2. Step 2: Convert to fraction form
    27,187.21/37,513.59 = 15,251.05/x
  3. Step 3: Cross multiply
    27,187.21x = 37,513.59 × 15,251.05
  4. Step 4: Simplify right side
    27,187.21x = 572,121,636.77
  5. Step 5: Solve for x
    x = 572,121,636.77/27,187.21
  6. Step 6: Final answer
    x = 21,043.78

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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.