Home / 13,436.62-20,158.56-4,672.02

Finding the Fourth Proportional to 13,436.62, 20,158.56 and 4,672.02

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Solution

The fourth proportional to 13,436.62, 20,158.56 and 4,672.02 is: 7,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.62 : 20,158.56 = 4,672.02 : x
  2. Step 2: Convert to fraction form
    13,436.62/20,158.56 = 4,672.02/x
  3. Step 3: Cross multiply
    13,436.62x = 20,158.56 × 4,672.02
  4. Step 4: Simplify right side
    13,436.62x = 94,181,195.49
  5. Step 5: Solve for x
    x = 94,181,195.49/13,436.62
  6. Step 6: Final answer
    x = 7,009.29

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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.