Home / 17,135.78-23,647.43-9,967.41

Finding the Fourth Proportional to 17,135.78, 23,647.43 and 9,967.41

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Solution

The fourth proportional to 17,135.78, 23,647.43 and 9,967.41 is: 13,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,135.78 : 23,647.43 = 9,967.41 : x
  2. Step 2: Convert to fraction form
    17,135.78/23,647.43 = 9,967.41/x
  3. Step 3: Cross multiply
    17,135.78x = 23,647.43 × 9,967.41
  4. Step 4: Simplify right side
    17,135.78x = 235,703,655.17
  5. Step 5: Solve for x
    x = 235,703,655.17/17,135.78
  6. Step 6: Final answer
    x = 13,755.06

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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.