Home / 17,613.78-26,420.73-5,927.91

Finding the Fourth Proportional to 17,613.78, 26,420.73 and 5,927.91

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Solution

The fourth proportional to 17,613.78, 26,420.73 and 5,927.91 is: 8,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613.78 : 26,420.73 = 5,927.91 : x
  2. Step 2: Convert to fraction form
    17,613.78/26,420.73 = 5,927.91/x
  3. Step 3: Cross multiply
    17,613.78x = 26,420.73 × 5,927.91
  4. Step 4: Simplify right side
    17,613.78x = 156,619,709.57
  5. Step 5: Solve for x
    x = 156,619,709.57/17,613.78
  6. Step 6: Final answer
    x = 8,891.89

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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.