Home / 19,103.43-28,655.33-5,776.53

Finding the Fourth Proportional to 19,103.43, 28,655.33 and 5,776.53

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Solution

The fourth proportional to 19,103.43, 28,655.33 and 5,776.53 is: 8,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.43 : 28,655.33 = 5,776.53 : x
  2. Step 2: Convert to fraction form
    19,103.43/28,655.33 = 5,776.53/x
  3. Step 3: Cross multiply
    19,103.43x = 28,655.33 × 5,776.53
  4. Step 4: Simplify right side
    19,103.43x = 165,528,373.40
  5. Step 5: Solve for x
    x = 165,528,373.40/19,103.43
  6. Step 6: Final answer
    x = 8,664.85

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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.