Home / 19,180.80-28,763.37-7,330.57

Finding the Fourth Proportional to 19,180.80, 28,763.37 and 7,330.57

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Solution

The fourth proportional to 19,180.80, 28,763.37 and 7,330.57 is: 10,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.80 : 28,763.37 = 7,330.57 : x
  2. Step 2: Convert to fraction form
    19,180.80/28,763.37 = 7,330.57/x
  3. Step 3: Cross multiply
    19,180.80x = 28,763.37 × 7,330.57
  4. Step 4: Simplify right side
    19,180.80x = 210,851,825.31
  5. Step 5: Solve for x
    x = 210,851,825.31/19,180.80
  6. Step 6: Final answer
    x = 10,992.86

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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.