Home / 14,400.72-21,600.44-8,249.04

Finding the Fourth Proportional to 14,400.72, 21,600.44 and 8,249.04

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Solution

The fourth proportional to 14,400.72, 21,600.44 and 8,249.04 is: 12,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.72 : 21,600.44 = 8,249.04 : x
  2. Step 2: Convert to fraction form
    14,400.72/21,600.44 = 8,249.04/x
  3. Step 3: Cross multiply
    14,400.72x = 21,600.44 × 8,249.04
  4. Step 4: Simplify right side
    14,400.72x = 178,182,893.58
  5. Step 5: Solve for x
    x = 178,182,893.58/14,400.72
  6. Step 6: Final answer
    x = 12,373.19

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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.