Home / 19,335.59-28,945.97-10,543.85

Finding the Fourth Proportional to 19,335.59, 28,945.97 and 10,543.85

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Solution

The fourth proportional to 19,335.59, 28,945.97 and 10,543.85 is: 15,784.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.59 : 28,945.97 = 10,543.85 : x
  2. Step 2: Convert to fraction form
    19,335.59/28,945.97 = 10,543.85/x
  3. Step 3: Cross multiply
    19,335.59x = 28,945.97 × 10,543.85
  4. Step 4: Simplify right side
    19,335.59x = 305,202,138.55
  5. Step 5: Solve for x
    x = 305,202,138.55/19,335.59
  6. Step 6: Final answer
    x = 15,784.47

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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.