Home / 26,784.05-40,175.67-6,520.88

Finding the Fourth Proportional to 26,784.05, 40,175.67 and 6,520.88

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Solution

The fourth proportional to 26,784.05, 40,175.67 and 6,520.88 is: 9,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,784.05 : 40,175.67 = 6,520.88 : x
  2. Step 2: Convert to fraction form
    26,784.05/40,175.67 = 6,520.88/x
  3. Step 3: Cross multiply
    26,784.05x = 40,175.67 × 6,520.88
  4. Step 4: Simplify right side
    26,784.05x = 261,980,522.11
  5. Step 5: Solve for x
    x = 261,980,522.11/26,784.05
  6. Step 6: Final answer
    x = 9,781.21

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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.