Home / 16,946.80-23,383.14-10,977.64

Finding the Fourth Proportional to 16,946.80, 23,383.14 and 10,977.64

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Solution

The fourth proportional to 16,946.80, 23,383.14 and 10,977.64 is: 15,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,946.80 : 23,383.14 = 10,977.64 : x
  2. Step 2: Convert to fraction form
    16,946.80/23,383.14 = 10,977.64/x
  3. Step 3: Cross multiply
    16,946.80x = 23,383.14 × 10,977.64
  4. Step 4: Simplify right side
    16,946.80x = 256,691,692.99
  5. Step 5: Solve for x
    x = 256,691,692.99/16,946.80
  6. Step 6: Final answer
    x = 15,146.91

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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.