Home / 19,119.14-28,680.52-7,433.26

Finding the Fourth Proportional to 19,119.14, 28,680.52 and 7,433.26

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Solution

The fourth proportional to 19,119.14, 28,680.52 and 7,433.26 is: 11,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.14 : 28,680.52 = 7,433.26 : x
  2. Step 2: Convert to fraction form
    19,119.14/28,680.52 = 7,433.26/x
  3. Step 3: Cross multiply
    19,119.14x = 28,680.52 × 7,433.26
  4. Step 4: Simplify right side
    19,119.14x = 213,189,762.10
  5. Step 5: Solve for x
    x = 213,189,762.10/19,119.14
  6. Step 6: Final answer
    x = 11,150.59

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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.