Home / 14,105.52-21,175.56-6,616.32

Finding the Fourth Proportional to 14,105.52, 21,175.56 and 6,616.32

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Solution

The fourth proportional to 14,105.52, 21,175.56 and 6,616.32 is: 9,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.52 : 21,175.56 = 6,616.32 : x
  2. Step 2: Convert to fraction form
    14,105.52/21,175.56 = 6,616.32/x
  3. Step 3: Cross multiply
    14,105.52x = 21,175.56 × 6,616.32
  4. Step 4: Simplify right side
    14,105.52x = 140,104,281.14
  5. Step 5: Solve for x
    x = 140,104,281.14/14,105.52
  6. Step 6: Final answer
    x = 9,932.59

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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.