Home / 13,651.46-20,476.22-5,329.92

Finding the Fourth Proportional to 13,651.46, 20,476.22 and 5,329.92

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Solution

The fourth proportional to 13,651.46, 20,476.22 and 5,329.92 is: 7,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651.46 : 20,476.22 = 5,329.92 : x
  2. Step 2: Convert to fraction form
    13,651.46/20,476.22 = 5,329.92/x
  3. Step 3: Cross multiply
    13,651.46x = 20,476.22 × 5,329.92
  4. Step 4: Simplify right side
    13,651.46x = 109,136,614.50
  5. Step 5: Solve for x
    x = 109,136,614.50/13,651.46
  6. Step 6: Final answer
    x = 7,994.50

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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.