Home / 13,579.41-20,364.12-4,692.49

Finding the Fourth Proportional to 13,579.41, 20,364.12 and 4,692.49

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Solution

The fourth proportional to 13,579.41, 20,364.12 and 4,692.49 is: 7,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579.41 : 20,364.12 = 4,692.49 : x
  2. Step 2: Convert to fraction form
    13,579.41/20,364.12 = 4,692.49/x
  3. Step 3: Cross multiply
    13,579.41x = 20,364.12 × 4,692.49
  4. Step 4: Simplify right side
    13,579.41x = 95,558,378.55
  5. Step 5: Solve for x
    x = 95,558,378.55/13,579.41
  6. Step 6: Final answer
    x = 7,037.01

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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.