Home / 14,227.22-19,634.65-7,855.04

Finding the Fourth Proportional to 14,227.22, 19,634.65 and 7,855.04

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Solution

The fourth proportional to 14,227.22, 19,634.65 and 7,855.04 is: 10,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.22 : 19,634.65 = 7,855.04 : x
  2. Step 2: Convert to fraction form
    14,227.22/19,634.65 = 7,855.04/x
  3. Step 3: Cross multiply
    14,227.22x = 19,634.65 × 7,855.04
  4. Step 4: Simplify right side
    14,227.22x = 154,230,979.55
  5. Step 5: Solve for x
    x = 154,230,979.55/14,227.22
  6. Step 6: Final answer
    x = 10,840.55

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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.