Home / 19,194.20-28,774.20-7,504.70

Finding the Fourth Proportional to 19,194.20, 28,774.20 and 7,504.70

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Solution

The fourth proportional to 19,194.20, 28,774.20 and 7,504.70 is: 11,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.20 : 28,774.20 = 7,504.70 : x
  2. Step 2: Convert to fraction form
    19,194.20/28,774.20 = 7,504.70/x
  3. Step 3: Cross multiply
    19,194.20x = 28,774.20 × 7,504.70
  4. Step 4: Simplify right side
    19,194.20x = 215,941,738.74
  5. Step 5: Solve for x
    x = 215,941,738.74/19,194.20
  6. Step 6: Final answer
    x = 11,250.36

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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.