Home / 13,549.16-20,324.64-4,190.01

Finding the Fourth Proportional to 13,549.16, 20,324.64 and 4,190.01

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Solution

The fourth proportional to 13,549.16, 20,324.64 and 4,190.01 is: 6,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.16 : 20,324.64 = 4,190.01 : x
  2. Step 2: Convert to fraction form
    13,549.16/20,324.64 = 4,190.01/x
  3. Step 3: Cross multiply
    13,549.16x = 20,324.64 × 4,190.01
  4. Step 4: Simplify right side
    13,549.16x = 85,160,444.85
  5. Step 5: Solve for x
    x = 85,160,444.85/13,549.16
  6. Step 6: Final answer
    x = 6,285.30

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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.