Home / 13,164.65-19,748.01-4,399.60

Finding the Fourth Proportional to 13,164.65, 19,748.01 and 4,399.60

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Solution

The fourth proportional to 13,164.65, 19,748.01 and 4,399.60 is: 6,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.65 : 19,748.01 = 4,399.60 : x
  2. Step 2: Convert to fraction form
    13,164.65/19,748.01 = 4,399.60/x
  3. Step 3: Cross multiply
    13,164.65x = 19,748.01 × 4,399.60
  4. Step 4: Simplify right side
    13,164.65x = 86,883,344.80
  5. Step 5: Solve for x
    x = 86,883,344.80/13,164.65
  6. Step 6: Final answer
    x = 6,599.75

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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.