Home / 14,100.39-19,458.84-7,727.44

Finding the Fourth Proportional to 14,100.39, 19,458.84 and 7,727.44

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Solution

The fourth proportional to 14,100.39, 19,458.84 and 7,727.44 is: 10,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.39 : 19,458.84 = 7,727.44 : x
  2. Step 2: Convert to fraction form
    14,100.39/19,458.84 = 7,727.44/x
  3. Step 3: Cross multiply
    14,100.39x = 19,458.84 × 7,727.44
  4. Step 4: Simplify right side
    14,100.39x = 150,367,047.90
  5. Step 5: Solve for x
    x = 150,367,047.90/14,100.39
  6. Step 6: Final answer
    x = 10,664.04

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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.