Home / 15,580.10-23,370.16-3,893.30

Finding the Fourth Proportional to 15,580.10, 23,370.16 and 3,893.30

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Solution

The fourth proportional to 15,580.10, 23,370.16 and 3,893.30 is: 5,839.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580.10 : 23,370.16 = 3,893.30 : x
  2. Step 2: Convert to fraction form
    15,580.10/23,370.16 = 3,893.30/x
  3. Step 3: Cross multiply
    15,580.10x = 23,370.16 × 3,893.30
  4. Step 4: Simplify right side
    15,580.10x = 90,987,043.93
  5. Step 5: Solve for x
    x = 90,987,043.93/15,580.10
  6. Step 6: Final answer
    x = 5,839.95

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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.