Home / 13,528.91-20,295.27-4,169.68

Finding the Fourth Proportional to 13,528.91, 20,295.27 and 4,169.68

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Solution

The fourth proportional to 13,528.91, 20,295.27 and 4,169.68 is: 6,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.91 : 20,295.27 = 4,169.68 : x
  2. Step 2: Convert to fraction form
    13,528.91/20,295.27 = 4,169.68/x
  3. Step 3: Cross multiply
    13,528.91x = 20,295.27 × 4,169.68
  4. Step 4: Simplify right side
    13,528.91x = 84,624,821.73
  5. Step 5: Solve for x
    x = 84,624,821.73/13,528.91
  6. Step 6: Final answer
    x = 6,255.11

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1.5x scale

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.