Home / 27,899.14-38,489.66-17,824.96

Finding the Fourth Proportional to 27,899.14, 38,489.66 and 17,824.96

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Solution

The fourth proportional to 27,899.14, 38,489.66 and 17,824.96 is: 24,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.14 : 38,489.66 = 17,824.96 : x
  2. Step 2: Convert to fraction form
    27,899.14/38,489.66 = 17,824.96/x
  3. Step 3: Cross multiply
    27,899.14x = 38,489.66 × 17,824.96
  4. Step 4: Simplify right side
    27,899.14x = 686,076,649.91
  5. Step 5: Solve for x
    x = 686,076,649.91/27,899.14
  6. Step 6: Final answer
    x = 24,591.32

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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.