Home / 13,821.24-20,725.38-5,050.02

Finding the Fourth Proportional to 13,821.24, 20,725.38 and 5,050.02

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Solution

The fourth proportional to 13,821.24, 20,725.38 and 5,050.02 is: 7,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.24 : 20,725.38 = 5,050.02 : x
  2. Step 2: Convert to fraction form
    13,821.24/20,725.38 = 5,050.02/x
  3. Step 3: Cross multiply
    13,821.24x = 20,725.38 × 5,050.02
  4. Step 4: Simplify right side
    13,821.24x = 104,663,583.51
  5. Step 5: Solve for x
    x = 104,663,583.51/13,821.24
  6. Step 6: Final answer
    x = 7,572.66

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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.