Home / 19,661.52-29,481.32-6,506.70

Finding the Fourth Proportional to 19,661.52, 29,481.32 and 6,506.70

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Solution

The fourth proportional to 19,661.52, 29,481.32 and 6,506.70 is: 9,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.52 : 29,481.32 = 6,506.70 : x
  2. Step 2: Convert to fraction form
    19,661.52/29,481.32 = 6,506.70/x
  3. Step 3: Cross multiply
    19,661.52x = 29,481.32 × 6,506.70
  4. Step 4: Simplify right side
    19,661.52x = 191,826,104.84
  5. Step 5: Solve for x
    x = 191,826,104.84/19,661.52
  6. Step 6: Final answer
    x = 9,756.42

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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.