Home / 17,189.10-23,722.64-9,635.45

Finding the Fourth Proportional to 17,189.10, 23,722.64 and 9,635.45

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Solution

The fourth proportional to 17,189.10, 23,722.64 and 9,635.45 is: 13,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,189.10 : 23,722.64 = 9,635.45 : x
  2. Step 2: Convert to fraction form
    17,189.10/23,722.64 = 9,635.45/x
  3. Step 3: Cross multiply
    17,189.10x = 23,722.64 × 9,635.45
  4. Step 4: Simplify right side
    17,189.10x = 228,578,180.93
  5. Step 5: Solve for x
    x = 228,578,180.93/17,189.10
  6. Step 6: Final answer
    x = 13,297.86

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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.