Home / 14,849.13-20,490.72-8,133.67

Finding the Fourth Proportional to 14,849.13, 20,490.72 and 8,133.67

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Solution

The fourth proportional to 14,849.13, 20,490.72 and 8,133.67 is: 11,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.13 : 20,490.72 = 8,133.67 : x
  2. Step 2: Convert to fraction form
    14,849.13/20,490.72 = 8,133.67/x
  3. Step 3: Cross multiply
    14,849.13x = 20,490.72 × 8,133.67
  4. Step 4: Simplify right side
    14,849.13x = 166,664,754.54
  5. Step 5: Solve for x
    x = 166,664,754.54/14,849.13
  6. Step 6: Final answer
    x = 11,223.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.