Home / 13,692.90-20,541.87-4,335.27

Finding the Fourth Proportional to 13,692.90, 20,541.87 and 4,335.27

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Solution

The fourth proportional to 13,692.90, 20,541.87 and 4,335.27 is: 6,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.90 : 20,541.87 = 4,335.27 : x
  2. Step 2: Convert to fraction form
    13,692.90/20,541.87 = 4,335.27/x
  3. Step 3: Cross multiply
    13,692.90x = 20,541.87 × 4,335.27
  4. Step 4: Simplify right side
    13,692.90x = 89,054,552.75
  5. Step 5: Solve for x
    x = 89,054,552.75/13,692.90
  6. Step 6: Final answer
    x = 6,503.70

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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.