Home / 17,905.03-26,857.55-6,809.15

Finding the Fourth Proportional to 17,905.03, 26,857.55 and 6,809.15

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Solution

The fourth proportional to 17,905.03, 26,857.55 and 6,809.15 is: 10,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.03 : 26,857.55 = 6,809.15 : x
  2. Step 2: Convert to fraction form
    17,905.03/26,857.55 = 6,809.15/x
  3. Step 3: Cross multiply
    17,905.03x = 26,857.55 × 6,809.15
  4. Step 4: Simplify right side
    17,905.03x = 182,877,170.75
  5. Step 5: Solve for x
    x = 182,877,170.75/17,905.03
  6. Step 6: Final answer
    x = 10,213.73

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1.5x scale

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.