Home / 19,530.87-29,300.66-10,761.27

Finding the Fourth Proportional to 19,530.87, 29,300.66 and 10,761.27

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Solution

The fourth proportional to 19,530.87, 29,300.66 and 10,761.27 is: 16,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.87 : 29,300.66 = 10,761.27 : x
  2. Step 2: Convert to fraction form
    19,530.87/29,300.66 = 10,761.27/x
  3. Step 3: Cross multiply
    19,530.87x = 29,300.66 × 10,761.27
  4. Step 4: Simplify right side
    19,530.87x = 315,312,259.63
  5. Step 5: Solve for x
    x = 315,312,259.63/19,530.87
  6. Step 6: Final answer
    x = 16,144.30

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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.