Home / 13,754.56-20,639.76-5,964.16

Finding the Fourth Proportional to 13,754.56, 20,639.76 and 5,964.16

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Solution

The fourth proportional to 13,754.56, 20,639.76 and 5,964.16 is: 8,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.56 : 20,639.76 = 5,964.16 : x
  2. Step 2: Convert to fraction form
    13,754.56/20,639.76 = 5,964.16/x
  3. Step 3: Cross multiply
    13,754.56x = 20,639.76 × 5,964.16
  4. Step 4: Simplify right side
    13,754.56x = 123,098,831.00
  5. Step 5: Solve for x
    x = 123,098,831.00/13,754.56
  6. Step 6: Final answer
    x = 8,949.67

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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.