Home / 13,944.56-19,243.68-7,657.04

Finding the Fourth Proportional to 13,944.56, 19,243.68 and 7,657.04

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Solution

The fourth proportional to 13,944.56, 19,243.68 and 7,657.04 is: 10,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.56 : 19,243.68 = 7,657.04 : x
  2. Step 2: Convert to fraction form
    13,944.56/19,243.68 = 7,657.04/x
  3. Step 3: Cross multiply
    13,944.56x = 19,243.68 × 7,657.04
  4. Step 4: Simplify right side
    13,944.56x = 147,349,627.51
  5. Step 5: Solve for x
    x = 147,349,627.51/13,944.56
  6. Step 6: Final answer
    x = 10,566.82

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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.