Home / 16,385.20-24,561.60-6,511.30

Finding the Fourth Proportional to 16,385.20, 24,561.60 and 6,511.30

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Solution

The fourth proportional to 16,385.20, 24,561.60 and 6,511.30 is: 9,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.20 : 24,561.60 = 6,511.30 : x
  2. Step 2: Convert to fraction form
    16,385.20/24,561.60 = 6,511.30/x
  3. Step 3: Cross multiply
    16,385.20x = 24,561.60 × 6,511.30
  4. Step 4: Simplify right side
    16,385.20x = 159,927,946.08
  5. Step 5: Solve for x
    x = 159,927,946.08/16,385.20
  6. Step 6: Final answer
    x = 9,760.51

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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.