Home / 17,188.76-23,720.30-9,635.42

Finding the Fourth Proportional to 17,188.76, 23,720.30 and 9,635.42

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Solution

The fourth proportional to 17,188.76, 23,720.30 and 9,635.42 is: 13,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,188.76 : 23,720.30 = 9,635.42 : x
  2. Step 2: Convert to fraction form
    17,188.76/23,720.30 = 9,635.42/x
  3. Step 3: Cross multiply
    17,188.76x = 23,720.30 × 9,635.42
  4. Step 4: Simplify right side
    17,188.76x = 228,555,053.03
  5. Step 5: Solve for x
    x = 228,555,053.03/17,188.76
  6. Step 6: Final answer
    x = 13,296.77

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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.