Home / 13,456.92-20,188.02-4,692.12

Finding the Fourth Proportional to 13,456.92, 20,188.02 and 4,692.12

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Solution

The fourth proportional to 13,456.92, 20,188.02 and 4,692.12 is: 7,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.92 : 20,188.02 = 4,692.12 : x
  2. Step 2: Convert to fraction form
    13,456.92/20,188.02 = 4,692.12/x
  3. Step 3: Cross multiply
    13,456.92x = 20,188.02 × 4,692.12
  4. Step 4: Simplify right side
    13,456.92x = 94,724,612.40
  5. Step 5: Solve for x
    x = 94,724,612.40/13,456.92
  6. Step 6: Final answer
    x = 7,039.10

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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.