Home / 15,798.72-23,692.61-8,789.39

Finding the Fourth Proportional to 15,798.72, 23,692.61 and 8,789.39

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Solution

The fourth proportional to 15,798.72, 23,692.61 and 8,789.39 is: 13,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.72 : 23,692.61 = 8,789.39 : x
  2. Step 2: Convert to fraction form
    15,798.72/23,692.61 = 8,789.39/x
  3. Step 3: Cross multiply
    15,798.72x = 23,692.61 × 8,789.39
  4. Step 4: Simplify right side
    15,798.72x = 208,243,589.41
  5. Step 5: Solve for x
    x = 208,243,589.41/15,798.72
  6. Step 6: Final answer
    x = 13,181.04

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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.