Home / 14,663.88-20,236.26-7,949.62

Finding the Fourth Proportional to 14,663.88, 20,236.26 and 7,949.62

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Solution

The fourth proportional to 14,663.88, 20,236.26 and 7,949.62 is: 10,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.88 : 20,236.26 = 7,949.62 : x
  2. Step 2: Convert to fraction form
    14,663.88/20,236.26 = 7,949.62/x
  3. Step 3: Cross multiply
    14,663.88x = 20,236.26 × 7,949.62
  4. Step 4: Simplify right side
    14,663.88x = 160,870,577.22
  5. Step 5: Solve for x
    x = 160,870,577.22/14,663.88
  6. Step 6: Final answer
    x = 10,970.53

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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.