Home / 13,486.50-20,232.03-4,600.90

Finding the Fourth Proportional to 13,486.50, 20,232.03 and 4,600.90

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Solution

The fourth proportional to 13,486.50, 20,232.03 and 4,600.90 is: 6,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.50 : 20,232.03 = 4,600.90 : x
  2. Step 2: Convert to fraction form
    13,486.50/20,232.03 = 4,600.90/x
  3. Step 3: Cross multiply
    13,486.50x = 20,232.03 × 4,600.90
  4. Step 4: Simplify right side
    13,486.50x = 93,085,563.49
  5. Step 5: Solve for x
    x = 93,085,563.49/13,486.50
  6. Step 6: Final answer
    x = 6,902.13

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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.