Home / 17,390.72-23,997.60-9,837.74

Finding the Fourth Proportional to 17,390.72, 23,997.60 and 9,837.74

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Solution

The fourth proportional to 17,390.72, 23,997.60 and 9,837.74 is: 13,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.72 : 23,997.60 = 9,837.74 : x
  2. Step 2: Convert to fraction form
    17,390.72/23,997.60 = 9,837.74/x
  3. Step 3: Cross multiply
    17,390.72x = 23,997.60 × 9,837.74
  4. Step 4: Simplify right side
    17,390.72x = 236,082,029.44
  5. Step 5: Solve for x
    x = 236,082,029.44/17,390.72
  6. Step 6: Final answer
    x = 13,575.18

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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.