Home / 13,922.48-19,213.08-7,634.96

Finding the Fourth Proportional to 13,922.48, 19,213.08 and 7,634.96

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Solution

The fourth proportional to 13,922.48, 19,213.08 and 7,634.96 is: 10,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.48 : 19,213.08 = 7,634.96 : x
  2. Step 2: Convert to fraction form
    13,922.48/19,213.08 = 7,634.96/x
  3. Step 3: Cross multiply
    13,922.48x = 19,213.08 × 7,634.96
  4. Step 4: Simplify right side
    13,922.48x = 146,691,097.28
  5. Step 5: Solve for x
    x = 146,691,097.28/13,922.48
  6. Step 6: Final answer
    x = 10,536.28

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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.