Home / 12,722.14-19,067.51-9,224.15

Finding the Fourth Proportional to 12,722.14, 19,067.51 and 9,224.15

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Solution

The fourth proportional to 12,722.14, 19,067.51 and 9,224.15 is: 13,824.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.14 : 19,067.51 = 9,224.15 : x
  2. Step 2: Convert to fraction form
    12,722.14/19,067.51 = 9,224.15/x
  3. Step 3: Cross multiply
    12,722.14x = 19,067.51 × 9,224.15
  4. Step 4: Simplify right side
    12,722.14x = 175,881,526.25
  5. Step 5: Solve for x
    x = 175,881,526.25/12,722.14
  6. Step 6: Final answer
    x = 13,824.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.