Home / 27,112.64-37,404.12-17,680.88

Finding the Fourth Proportional to 27,112.64, 37,404.12 and 17,680.88

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Solution

The fourth proportional to 27,112.64, 37,404.12 and 17,680.88 is: 24,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,112.64 : 37,404.12 = 17,680.88 : x
  2. Step 2: Convert to fraction form
    27,112.64/37,404.12 = 17,680.88/x
  3. Step 3: Cross multiply
    27,112.64x = 37,404.12 × 17,680.88
  4. Step 4: Simplify right side
    27,112.64x = 661,337,757.23
  5. Step 5: Solve for x
    x = 661,337,757.23/27,112.64
  6. Step 6: Final answer
    x = 24,392.23

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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.