Home / 17,003.28-23,450.52-11,689.68

Finding the Fourth Proportional to 17,003.28, 23,450.52 and 11,689.68

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Solution

The fourth proportional to 17,003.28, 23,450.52 and 11,689.68 is: 16,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,003.28 : 23,450.52 = 11,689.68 : x
  2. Step 2: Convert to fraction form
    17,003.28/23,450.52 = 11,689.68/x
  3. Step 3: Cross multiply
    17,003.28x = 23,450.52 × 11,689.68
  4. Step 4: Simplify right side
    17,003.28x = 274,129,074.63
  5. Step 5: Solve for x
    x = 274,129,074.63/17,003.28
  6. Step 6: Final answer
    x = 16,122.13

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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.