Home / 13,396.79-20,098.52-4,036.60

Finding the Fourth Proportional to 13,396.79, 20,098.52 and 4,036.60

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Solution

The fourth proportional to 13,396.79, 20,098.52 and 4,036.60 is: 6,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396.79 : 20,098.52 = 4,036.60 : x
  2. Step 2: Convert to fraction form
    13,396.79/20,098.52 = 4,036.60/x
  3. Step 3: Cross multiply
    13,396.79x = 20,098.52 × 4,036.60
  4. Step 4: Simplify right side
    13,396.79x = 81,129,685.83
  5. Step 5: Solve for x
    x = 81,129,685.83/13,396.79
  6. Step 6: Final answer
    x = 6,055.90

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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.