Home / 19,112.14-28,653.63-9,241.48

Finding the Fourth Proportional to 19,112.14, 28,653.63 and 9,241.48

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Solution

The fourth proportional to 19,112.14, 28,653.63 and 9,241.48 is: 13,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.14 : 28,653.63 = 9,241.48 : x
  2. Step 2: Convert to fraction form
    19,112.14/28,653.63 = 9,241.48/x
  3. Step 3: Cross multiply
    19,112.14x = 28,653.63 × 9,241.48
  4. Step 4: Simplify right side
    19,112.14x = 264,801,948.57
  5. Step 5: Solve for x
    x = 264,801,948.57/19,112.14
  6. Step 6: Final answer
    x = 13,855.17

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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.