Home / 15,743.69-23,619.85-4,650.38

Finding the Fourth Proportional to 15,743.69, 23,619.85 and 4,650.38

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Solution

The fourth proportional to 15,743.69, 23,619.85 and 4,650.38 is: 6,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.69 : 23,619.85 = 4,650.38 : x
  2. Step 2: Convert to fraction form
    15,743.69/23,619.85 = 4,650.38/x
  3. Step 3: Cross multiply
    15,743.69x = 23,619.85 × 4,650.38
  4. Step 4: Simplify right side
    15,743.69x = 109,841,148.32
  5. Step 5: Solve for x
    x = 109,841,148.32/15,743.69
  6. Step 6: Final answer
    x = 6,976.84

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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.