Home / 14,385.44-19,857.48-11,242.64

Finding the Fourth Proportional to 14,385.44, 19,857.48 and 11,242.64

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Solution

The fourth proportional to 14,385.44, 19,857.48 and 11,242.64 is: 15,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.44 : 19,857.48 = 11,242.64 : x
  2. Step 2: Convert to fraction form
    14,385.44/19,857.48 = 11,242.64/x
  3. Step 3: Cross multiply
    14,385.44x = 19,857.48 × 11,242.64
  4. Step 4: Simplify right side
    14,385.44x = 223,250,498.95
  5. Step 5: Solve for x
    x = 223,250,498.95/14,385.44
  6. Step 6: Final answer
    x = 15,519.20

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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.