Home / 14,150.94-21,223.68-13,448.49

Finding the Fourth Proportional to 14,150.94, 21,223.68 and 13,448.49

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Solution

The fourth proportional to 14,150.94, 21,223.68 and 13,448.49 is: 20,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.94 : 21,223.68 = 13,448.49 : x
  2. Step 2: Convert to fraction form
    14,150.94/21,223.68 = 13,448.49/x
  3. Step 3: Cross multiply
    14,150.94x = 21,223.68 × 13,448.49
  4. Step 4: Simplify right side
    14,150.94x = 285,426,448.24
  5. Step 5: Solve for x
    x = 285,426,448.24/14,150.94
  6. Step 6: Final answer
    x = 20,170.14

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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.