Home / 16,816.79-23,209.39-10,865.77

Finding the Fourth Proportional to 16,816.79, 23,209.39 and 10,865.77

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Solution

The fourth proportional to 16,816.79, 23,209.39 and 10,865.77 is: 14,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.79 : 23,209.39 = 10,865.77 : x
  2. Step 2: Convert to fraction form
    16,816.79/23,209.39 = 10,865.77/x
  3. Step 3: Cross multiply
    16,816.79x = 23,209.39 × 10,865.77
  4. Step 4: Simplify right side
    16,816.79x = 252,187,893.58
  5. Step 5: Solve for x
    x = 252,187,893.58/16,816.79
  6. Step 6: Final answer
    x = 14,996.20

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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.