Home / 13,303.69-19,955.73-3,944.66

Finding the Fourth Proportional to 13,303.69, 19,955.73 and 3,944.66

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Solution

The fourth proportional to 13,303.69, 19,955.73 and 3,944.66 is: 5,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.69 : 19,955.73 = 3,944.66 : x
  2. Step 2: Convert to fraction form
    13,303.69/19,955.73 = 3,944.66/x
  3. Step 3: Cross multiply
    13,303.69x = 19,955.73 × 3,944.66
  4. Step 4: Simplify right side
    13,303.69x = 78,718,569.90
  5. Step 5: Solve for x
    x = 78,718,569.90/13,303.69
  6. Step 6: Final answer
    x = 5,917.05

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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.