Home / 16,887.60-23,310.72-11,599.92

Finding the Fourth Proportional to 16,887.60, 23,310.72 and 11,599.92

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Solution

The fourth proportional to 16,887.60, 23,310.72 and 11,599.92 is: 16,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.60 : 23,310.72 = 11,599.92 : x
  2. Step 2: Convert to fraction form
    16,887.60/23,310.72 = 11,599.92/x
  3. Step 3: Cross multiply
    16,887.60x = 23,310.72 × 11,599.92
  4. Step 4: Simplify right side
    16,887.60x = 270,402,487.14
  5. Step 5: Solve for x
    x = 270,402,487.14/16,887.60
  6. Step 6: Final answer
    x = 16,011.90

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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.