Home / 13,583.30-20,335.46-7,943.67

Finding the Fourth Proportional to 13,583.30, 20,335.46 and 7,943.67

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Solution

The fourth proportional to 13,583.30, 20,335.46 and 7,943.67 is: 11,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.30 : 20,335.46 = 7,943.67 : x
  2. Step 2: Convert to fraction form
    13,583.30/20,335.46 = 7,943.67/x
  3. Step 3: Cross multiply
    13,583.30x = 20,335.46 × 7,943.67
  4. Step 4: Simplify right side
    13,583.30x = 161,538,143.82
  5. Step 5: Solve for x
    x = 161,538,143.82/13,583.30
  6. Step 6: Final answer
    x = 11,892.41

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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.