Home / 20,194.17-30,291.27-8,499.93

Finding the Fourth Proportional to 20,194.17, 30,291.27 and 8,499.93

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Solution

The fourth proportional to 20,194.17, 30,291.27 and 8,499.93 is: 12,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.17 : 30,291.27 = 8,499.93 : x
  2. Step 2: Convert to fraction form
    20,194.17/30,291.27 = 8,499.93/x
  3. Step 3: Cross multiply
    20,194.17x = 30,291.27 × 8,499.93
  4. Step 4: Simplify right side
    20,194.17x = 257,473,674.61
  5. Step 5: Solve for x
    x = 257,473,674.61/20,194.17
  6. Step 6: Final answer
    x = 12,749.90

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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.