Home / 13,944.96-19,244.12-7,976.88

Finding the Fourth Proportional to 13,944.96, 19,244.12 and 7,976.88

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Solution

The fourth proportional to 13,944.96, 19,244.12 and 7,976.88 is: 11,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.96 : 19,244.12 = 7,976.88 : x
  2. Step 2: Convert to fraction form
    13,944.96/19,244.12 = 7,976.88/x
  3. Step 3: Cross multiply
    13,944.96x = 19,244.12 × 7,976.88
  4. Step 4: Simplify right side
    13,944.96x = 153,507,996.06
  5. Step 5: Solve for x
    x = 153,507,996.06/13,944.96
  6. Step 6: Final answer
    x = 11,008.13

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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.