Home / 13,307.24-19,965.14-3,947.33

Finding the Fourth Proportional to 13,307.24, 19,965.14 and 3,947.33

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Solution

The fourth proportional to 13,307.24, 19,965.14 and 3,947.33 is: 5,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.24 : 19,965.14 = 3,947.33 : x
  2. Step 2: Convert to fraction form
    13,307.24/19,965.14 = 3,947.33/x
  3. Step 3: Cross multiply
    13,307.24x = 19,965.14 × 3,947.33
  4. Step 4: Simplify right side
    13,307.24x = 78,808,876.51
  5. Step 5: Solve for x
    x = 78,808,876.51/13,307.24
  6. Step 6: Final answer
    x = 5,922.26

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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.