Home / 16,866.40-23,296.30-12,636.38

Finding the Fourth Proportional to 16,866.40, 23,296.30 and 12,636.38

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Solution

The fourth proportional to 16,866.40, 23,296.30 and 12,636.38 is: 17,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.40 : 23,296.30 = 12,636.38 : x
  2. Step 2: Convert to fraction form
    16,866.40/23,296.30 = 12,636.38/x
  3. Step 3: Cross multiply
    16,866.40x = 23,296.30 × 12,636.38
  4. Step 4: Simplify right side
    16,866.40x = 294,380,899.39
  5. Step 5: Solve for x
    x = 294,380,899.39/16,866.40
  6. Step 6: Final answer
    x = 17,453.69

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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.