Home / 13,541.14-20,320.62-4,776.04

Finding the Fourth Proportional to 13,541.14, 20,320.62 and 4,776.04

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Solution

The fourth proportional to 13,541.14, 20,320.62 and 4,776.04 is: 7,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.14 : 20,320.62 = 4,776.04 : x
  2. Step 2: Convert to fraction form
    13,541.14/20,320.62 = 4,776.04/x
  3. Step 3: Cross multiply
    13,541.14x = 20,320.62 × 4,776.04
  4. Step 4: Simplify right side
    13,541.14x = 97,052,093.94
  5. Step 5: Solve for x
    x = 97,052,093.94/13,541.14
  6. Step 6: Final answer
    x = 7,167.20

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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.