Home / 19,241.33-28,849.55-12,647.52

Finding the Fourth Proportional to 19,241.33, 28,849.55 and 12,647.52

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Solution

The fourth proportional to 19,241.33, 28,849.55 and 12,647.52 is: 18,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.33 : 28,849.55 = 12,647.52 : x
  2. Step 2: Convert to fraction form
    19,241.33/28,849.55 = 12,647.52/x
  3. Step 3: Cross multiply
    19,241.33x = 28,849.55 × 12,647.52
  4. Step 4: Simplify right side
    19,241.33x = 364,875,197.38
  5. Step 5: Solve for x
    x = 364,875,197.38/19,241.33
  6. Step 6: Final answer
    x = 18,963.10

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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.