Home / 14,383.44-19,854.72-11,240.64

Finding the Fourth Proportional to 14,383.44, 19,854.72 and 11,240.64

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Solution

The fourth proportional to 14,383.44, 19,854.72 and 11,240.64 is: 15,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.44 : 19,854.72 = 11,240.64 : x
  2. Step 2: Convert to fraction form
    14,383.44/19,854.72 = 11,240.64/x
  3. Step 3: Cross multiply
    14,383.44x = 19,854.72 × 11,240.64
  4. Step 4: Simplify right side
    14,383.44x = 223,179,759.82
  5. Step 5: Solve for x
    x = 223,179,759.82/14,383.44
  6. Step 6: Final answer
    x = 15,516.44

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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.