Home / 13,652.57-20,483.79-4,769.22

Finding the Fourth Proportional to 13,652.57, 20,483.79 and 4,769.22

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Solution

The fourth proportional to 13,652.57, 20,483.79 and 4,769.22 is: 7,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.57 : 20,483.79 = 4,769.22 : x
  2. Step 2: Convert to fraction form
    13,652.57/20,483.79 = 4,769.22/x
  3. Step 3: Cross multiply
    13,652.57x = 20,483.79 × 4,769.22
  4. Step 4: Simplify right side
    13,652.57x = 97,691,644.65
  5. Step 5: Solve for x
    x = 97,691,644.65/13,652.57
  6. Step 6: Final answer
    x = 7,155.55

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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.