Home / 19,020.25-28,524.84-7,330.72

Finding the Fourth Proportional to 19,020.25, 28,524.84 and 7,330.72

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Solution

The fourth proportional to 19,020.25, 28,524.84 and 7,330.72 is: 10,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.25 : 28,524.84 = 7,330.72 : x
  2. Step 2: Convert to fraction form
    19,020.25/28,524.84 = 7,330.72/x
  3. Step 3: Cross multiply
    19,020.25x = 28,524.84 × 7,330.72
  4. Step 4: Simplify right side
    19,020.25x = 209,107,615.08
  5. Step 5: Solve for x
    x = 209,107,615.08/19,020.25
  6. Step 6: Final answer
    x = 10,993.95

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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.