Home / 14,379.28-21,574.11-5,020.67

Finding the Fourth Proportional to 14,379.28, 21,574.11 and 5,020.67

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Solution

The fourth proportional to 14,379.28, 21,574.11 and 5,020.67 is: 7,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.28 : 21,574.11 = 5,020.67 : x
  2. Step 2: Convert to fraction form
    14,379.28/21,574.11 = 5,020.67/x
  3. Step 3: Cross multiply
    14,379.28x = 21,574.11 × 5,020.67
  4. Step 4: Simplify right side
    14,379.28x = 108,316,562.41
  5. Step 5: Solve for x
    x = 108,316,562.41/14,379.28
  6. Step 6: Final answer
    x = 7,532.82

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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.