Home / 13,922.58-19,214.13-7,635.36

Finding the Fourth Proportional to 13,922.58, 19,214.13 and 7,635.36

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Solution

The fourth proportional to 13,922.58, 19,214.13 and 7,635.36 is: 10,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.58 : 19,214.13 = 7,635.36 : x
  2. Step 2: Convert to fraction form
    13,922.58/19,214.13 = 7,635.36/x
  3. Step 3: Cross multiply
    13,922.58x = 19,214.13 × 7,635.36
  4. Step 4: Simplify right side
    13,922.58x = 146,706,799.64
  5. Step 5: Solve for x
    x = 146,706,799.64/13,922.58
  6. Step 6: Final answer
    x = 10,537.33

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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.