Home / 13,724.06-20,578.34-4,362.34

Finding the Fourth Proportional to 13,724.06, 20,578.34 and 4,362.34

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Solution

The fourth proportional to 13,724.06, 20,578.34 and 4,362.34 is: 6,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.06 : 20,578.34 = 4,362.34 : x
  2. Step 2: Convert to fraction form
    13,724.06/20,578.34 = 4,362.34/x
  3. Step 3: Cross multiply
    13,724.06x = 20,578.34 × 4,362.34
  4. Step 4: Simplify right side
    13,724.06x = 89,769,715.72
  5. Step 5: Solve for x
    x = 89,769,715.72/13,724.06
  6. Step 6: Final answer
    x = 6,541.05

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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.