Home / 14,236.83-19,646.75-7,949.21

Finding the Fourth Proportional to 14,236.83, 19,646.75 and 7,949.21

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Solution

The fourth proportional to 14,236.83, 19,646.75 and 7,949.21 is: 10,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.83 : 19,646.75 = 7,949.21 : x
  2. Step 2: Convert to fraction form
    14,236.83/19,646.75 = 7,949.21/x
  3. Step 3: Cross multiply
    14,236.83x = 19,646.75 × 7,949.21
  4. Step 4: Simplify right side
    14,236.83x = 156,176,063.21
  5. Step 5: Solve for x
    x = 156,176,063.21/14,236.83
  6. Step 6: Final answer
    x = 10,969.86

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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.