Home / 19,513.92-29,221.08-10,739.28

Finding the Fourth Proportional to 19,513.92, 29,221.08 and 10,739.28

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Solution

The fourth proportional to 19,513.92, 29,221.08 and 10,739.28 is: 16,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.92 : 29,221.08 = 10,739.28 : x
  2. Step 2: Convert to fraction form
    19,513.92/29,221.08 = 10,739.28/x
  3. Step 3: Cross multiply
    19,513.92x = 29,221.08 × 10,739.28
  4. Step 4: Simplify right side
    19,513.92x = 313,813,360.02
  5. Step 5: Solve for x
    x = 313,813,360.02/19,513.92
  6. Step 6: Final answer
    x = 16,081.51

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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.