Home / 13,922.82-19,213.47-7,635.18

Finding the Fourth Proportional to 13,922.82, 19,213.47 and 7,635.18

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Solution

The fourth proportional to 13,922.82, 19,213.47 and 7,635.18 is: 10,536.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.82 : 19,213.47 = 7,635.18 : x
  2. Step 2: Convert to fraction form
    13,922.82/19,213.47 = 7,635.18/x
  3. Step 3: Cross multiply
    13,922.82x = 19,213.47 × 7,635.18
  4. Step 4: Simplify right side
    13,922.82x = 146,698,301.87
  5. Step 5: Solve for x
    x = 146,698,301.87/13,922.82
  6. Step 6: Final answer
    x = 10,536.54

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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.