Home / 13,536.97-20,284.51-9,385.09

Finding the Fourth Proportional to 13,536.97, 20,284.51 and 9,385.09

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Solution

The fourth proportional to 13,536.97, 20,284.51 and 9,385.09 is: 14,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.97 : 20,284.51 = 9,385.09 : x
  2. Step 2: Convert to fraction form
    13,536.97/20,284.51 = 9,385.09/x
  3. Step 3: Cross multiply
    13,536.97x = 20,284.51 × 9,385.09
  4. Step 4: Simplify right side
    13,536.97x = 190,371,951.96
  5. Step 5: Solve for x
    x = 190,371,951.96/13,536.97
  6. Step 6: Final answer
    x = 14,063.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.