Home / 19,913.85-29,887.79-10,560.38

Finding the Fourth Proportional to 19,913.85, 29,887.79 and 10,560.38

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Solution

The fourth proportional to 19,913.85, 29,887.79 and 10,560.38 is: 15,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.85 : 29,887.79 = 10,560.38 : x
  2. Step 2: Convert to fraction form
    19,913.85/29,887.79 = 10,560.38/x
  3. Step 3: Cross multiply
    19,913.85x = 29,887.79 × 10,560.38
  4. Step 4: Simplify right side
    19,913.85x = 315,626,217.52
  5. Step 5: Solve for x
    x = 315,626,217.52/19,913.85
  6. Step 6: Final answer
    x = 15,849.58

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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.