Home / 12,571.96-18,853.27-3,685.01

Finding the Fourth Proportional to 12,571.96, 18,853.27 and 3,685.01

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Solution

The fourth proportional to 12,571.96, 18,853.27 and 3,685.01 is: 5,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.96 : 18,853.27 = 3,685.01 : x
  2. Step 2: Convert to fraction form
    12,571.96/18,853.27 = 3,685.01/x
  3. Step 3: Cross multiply
    12,571.96x = 18,853.27 × 3,685.01
  4. Step 4: Simplify right side
    12,571.96x = 69,474,416.70
  5. Step 5: Solve for x
    x = 69,474,416.70/12,571.96
  6. Step 6: Final answer
    x = 5,526.14

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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.