Home / 15,471.18-23,205.81-4,379.34

Finding the Fourth Proportional to 15,471.18, 23,205.81 and 4,379.34

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Solution

The fourth proportional to 15,471.18, 23,205.81 and 4,379.34 is: 6,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.18 : 23,205.81 = 4,379.34 : x
  2. Step 2: Convert to fraction form
    15,471.18/23,205.81 = 4,379.34/x
  3. Step 3: Cross multiply
    15,471.18x = 23,205.81 × 4,379.34
  4. Step 4: Simplify right side
    15,471.18x = 101,626,131.97
  5. Step 5: Solve for x
    x = 101,626,131.97/15,471.18
  6. Step 6: Final answer
    x = 6,568.74

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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.