Home / 16,942.55-23,380.08-9,772.77

Finding the Fourth Proportional to 16,942.55, 23,380.08 and 9,772.77

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Solution

The fourth proportional to 16,942.55, 23,380.08 and 9,772.77 is: 13,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.55 : 23,380.08 = 9,772.77 : x
  2. Step 2: Convert to fraction form
    16,942.55/23,380.08 = 9,772.77/x
  3. Step 3: Cross multiply
    16,942.55x = 23,380.08 × 9,772.77
  4. Step 4: Simplify right side
    16,942.55x = 228,488,063.94
  5. Step 5: Solve for x
    x = 228,488,063.94/16,942.55
  6. Step 6: Final answer
    x = 13,486.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.