Home / 16,886.88-23,313.78-11,589.48

Finding the Fourth Proportional to 16,886.88, 23,313.78 and 11,589.48

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Solution

The fourth proportional to 16,886.88, 23,313.78 and 11,589.48 is: 16,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.88 : 23,313.78 = 11,589.48 : x
  2. Step 2: Convert to fraction form
    16,886.88/23,313.78 = 11,589.48/x
  3. Step 3: Cross multiply
    16,886.88x = 23,313.78 × 11,589.48
  4. Step 4: Simplify right side
    16,886.88x = 270,194,587.03
  5. Step 5: Solve for x
    x = 270,194,587.03/16,886.88
  6. Step 6: Final answer
    x = 16,000.27

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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.