Home / 14,400.60-19,872.19-8,027.89

Finding the Fourth Proportional to 14,400.60, 19,872.19 and 8,027.89

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Solution

The fourth proportional to 14,400.60, 19,872.19 and 8,027.89 is: 11,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.60 : 19,872.19 = 8,027.89 : x
  2. Step 2: Convert to fraction form
    14,400.60/19,872.19 = 8,027.89/x
  3. Step 3: Cross multiply
    14,400.60x = 19,872.19 × 8,027.89
  4. Step 4: Simplify right side
    14,400.60x = 159,531,782.36
  5. Step 5: Solve for x
    x = 159,531,782.36/14,400.60
  6. Step 6: Final answer
    x = 11,078.13

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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.