Home / 14,400.64-19,872.82-8,027.15

Finding the Fourth Proportional to 14,400.64, 19,872.82 and 8,027.15

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Solution

The fourth proportional to 14,400.64, 19,872.82 and 8,027.15 is: 11,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.64 : 19,872.82 = 8,027.15 : x
  2. Step 2: Convert to fraction form
    14,400.64/19,872.82 = 8,027.15/x
  3. Step 3: Cross multiply
    14,400.64x = 19,872.82 × 8,027.15
  4. Step 4: Simplify right side
    14,400.64x = 159,522,106.94
  5. Step 5: Solve for x
    x = 159,522,106.94/14,400.64
  6. Step 6: Final answer
    x = 11,077.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.