Home / 13,743.66-20,626.42-4,981.08

Finding the Fourth Proportional to 13,743.66, 20,626.42 and 4,981.08

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Solution

The fourth proportional to 13,743.66, 20,626.42 and 4,981.08 is: 7,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.66 : 20,626.42 = 4,981.08 : x
  2. Step 2: Convert to fraction form
    13,743.66/20,626.42 = 4,981.08/x
  3. Step 3: Cross multiply
    13,743.66x = 20,626.42 × 4,981.08
  4. Step 4: Simplify right side
    13,743.66x = 102,741,848.13
  5. Step 5: Solve for x
    x = 102,741,848.13/13,743.66
  6. Step 6: Final answer
    x = 7,475.58

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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.