Home / 20,517.39-30,791.07-19,292.67

Finding the Fourth Proportional to 20,517.39, 30,791.07 and 19,292.67

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Solution

The fourth proportional to 20,517.39, 30,791.07 and 19,292.67 is: 28,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,517.39 : 30,791.07 = 19,292.67 : x
  2. Step 2: Convert to fraction form
    20,517.39/30,791.07 = 19,292.67/x
  3. Step 3: Cross multiply
    20,517.39x = 30,791.07 × 19,292.67
  4. Step 4: Simplify right side
    20,517.39x = 594,041,952.46
  5. Step 5: Solve for x
    x = 594,041,952.46/20,517.39
  6. Step 6: Final answer
    x = 28,953.10

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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.