Home / 27,186.08-37,514.86-15,087.21

Finding the Fourth Proportional to 27,186.08, 37,514.86 and 15,087.21

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Solution

The fourth proportional to 27,186.08, 37,514.86 and 15,087.21 is: 20,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.08 : 37,514.86 = 15,087.21 : x
  2. Step 2: Convert to fraction form
    27,186.08/37,514.86 = 15,087.21/x
  3. Step 3: Cross multiply
    27,186.08x = 37,514.86 × 15,087.21
  4. Step 4: Simplify right side
    27,186.08x = 565,994,688.43
  5. Step 5: Solve for x
    x = 565,994,688.43/27,186.08
  6. Step 6: Final answer
    x = 20,819.28

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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.