Home / 15,861.85-23,794.40-5,472.25

Finding the Fourth Proportional to 15,861.85, 23,794.40 and 5,472.25

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Solution

The fourth proportional to 15,861.85, 23,794.40 and 5,472.25 is: 8,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.85 : 23,794.40 = 5,472.25 : x
  2. Step 2: Convert to fraction form
    15,861.85/23,794.40 = 5,472.25/x
  3. Step 3: Cross multiply
    15,861.85x = 23,794.40 × 5,472.25
  4. Step 4: Simplify right side
    15,861.85x = 130,208,905.40
  5. Step 5: Solve for x
    x = 130,208,905.40/15,861.85
  6. Step 6: Final answer
    x = 8,208.94

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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.