Home / 15,865.54-23,815.62-11,692.62

Finding the Fourth Proportional to 15,865.54, 23,815.62 and 11,692.62

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Solution

The fourth proportional to 15,865.54, 23,815.62 and 11,692.62 is: 17,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.54 : 23,815.62 = 11,692.62 : x
  2. Step 2: Convert to fraction form
    15,865.54/23,815.62 = 11,692.62/x
  3. Step 3: Cross multiply
    15,865.54x = 23,815.62 × 11,692.62
  4. Step 4: Simplify right side
    15,865.54x = 278,466,994.72
  5. Step 5: Solve for x
    x = 278,466,994.72/15,865.54
  6. Step 6: Final answer
    x = 17,551.69

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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.