Home / 13,328.92-19,986.67-4,441.10

Finding the Fourth Proportional to 13,328.92, 19,986.67 and 4,441.10

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Solution

The fourth proportional to 13,328.92, 19,986.67 and 4,441.10 is: 6,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.92 : 19,986.67 = 4,441.10 : x
  2. Step 2: Convert to fraction form
    13,328.92/19,986.67 = 4,441.10/x
  3. Step 3: Cross multiply
    13,328.92x = 19,986.67 × 4,441.10
  4. Step 4: Simplify right side
    13,328.92x = 88,762,818.18
  5. Step 5: Solve for x
    x = 88,762,818.18/13,328.92
  6. Step 6: Final answer
    x = 6,659.42

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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.