Home / 15,615.77-23,423.43-3,769.43

Finding the Fourth Proportional to 15,615.77, 23,423.43 and 3,769.43

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Solution

The fourth proportional to 15,615.77, 23,423.43 and 3,769.43 is: 5,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.77 : 23,423.43 = 3,769.43 : x
  2. Step 2: Convert to fraction form
    15,615.77/23,423.43 = 3,769.43/x
  3. Step 3: Cross multiply
    15,615.77x = 23,423.43 × 3,769.43
  4. Step 4: Simplify right side
    15,615.77x = 88,292,979.74
  5. Step 5: Solve for x
    x = 88,292,979.74/15,615.77
  6. Step 6: Final answer
    x = 5,654.09

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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.