Home / 16,784.20-25,176.30-16,611.40

Finding the Fourth Proportional to 16,784.20, 25,176.30 and 16,611.40

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Solution

The fourth proportional to 16,784.20, 25,176.30 and 16,611.40 is: 24,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.20 : 25,176.30 = 16,611.40 : x
  2. Step 2: Convert to fraction form
    16,784.20/25,176.30 = 16,611.40/x
  3. Step 3: Cross multiply
    16,784.20x = 25,176.30 × 16,611.40
  4. Step 4: Simplify right side
    16,784.20x = 418,213,589.82
  5. Step 5: Solve for x
    x = 418,213,589.82/16,784.20
  6. Step 6: Final answer
    x = 24,917.10

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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.