Home / 14,735.20-22,109.29-8,409.81

Finding the Fourth Proportional to 14,735.20, 22,109.29 and 8,409.81

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Solution

The fourth proportional to 14,735.20, 22,109.29 and 8,409.81 is: 12,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.20 : 22,109.29 = 8,409.81 : x
  2. Step 2: Convert to fraction form
    14,735.20/22,109.29 = 8,409.81/x
  3. Step 3: Cross multiply
    14,735.20x = 22,109.29 × 8,409.81
  4. Step 4: Simplify right side
    14,735.20x = 185,934,928.13
  5. Step 5: Solve for x
    x = 185,934,928.13/14,735.20
  6. Step 6: Final answer
    x = 12,618.42

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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.