Home / 17,984.96-26,974.88-5,672.64

Finding the Fourth Proportional to 17,984.96, 26,974.88 and 5,672.64

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Solution

The fourth proportional to 17,984.96, 26,974.88 and 5,672.64 is: 8,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,984.96 : 26,974.88 = 5,672.64 : x
  2. Step 2: Convert to fraction form
    17,984.96/26,974.88 = 5,672.64/x
  3. Step 3: Cross multiply
    17,984.96x = 26,974.88 × 5,672.64
  4. Step 4: Simplify right side
    17,984.96x = 153,018,783.28
  5. Step 5: Solve for x
    x = 153,018,783.28/17,984.96
  6. Step 6: Final answer
    x = 8,508.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.