Home / 20,184.30-30,276.45-19,892.70

Finding the Fourth Proportional to 20,184.30, 30,276.45 and 19,892.70

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Solution

The fourth proportional to 20,184.30, 30,276.45 and 19,892.70 is: 29,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.30 : 30,276.45 = 19,892.70 : x
  2. Step 2: Convert to fraction form
    20,184.30/30,276.45 = 19,892.70/x
  3. Step 3: Cross multiply
    20,184.30x = 30,276.45 × 19,892.70
  4. Step 4: Simplify right side
    20,184.30x = 602,280,336.92
  5. Step 5: Solve for x
    x = 602,280,336.92/20,184.30
  6. Step 6: Final answer
    x = 29,839.05

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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.