Home / 13,436.53-20,157.63-4,551.42

Finding the Fourth Proportional to 13,436.53, 20,157.63 and 4,551.42

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Solution

The fourth proportional to 13,436.53, 20,157.63 and 4,551.42 is: 6,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.53 : 20,157.63 = 4,551.42 : x
  2. Step 2: Convert to fraction form
    13,436.53/20,157.63 = 4,551.42/x
  3. Step 3: Cross multiply
    13,436.53x = 20,157.63 × 4,551.42
  4. Step 4: Simplify right side
    13,436.53x = 91,745,767.18
  5. Step 5: Solve for x
    x = 91,745,767.18/13,436.53
  6. Step 6: Final answer
    x = 6,828.08

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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.