Home / 26,680.72-36,830.64-18,068.80

Finding the Fourth Proportional to 26,680.72, 36,830.64 and 18,068.80

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Solution

The fourth proportional to 26,680.72, 36,830.64 and 18,068.80 is: 24,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,680.72 : 36,830.64 = 18,068.80 : x
  2. Step 2: Convert to fraction form
    26,680.72/36,830.64 = 18,068.80/x
  3. Step 3: Cross multiply
    26,680.72x = 36,830.64 × 18,068.80
  4. Step 4: Simplify right side
    26,680.72x = 665,485,468.03
  5. Step 5: Solve for x
    x = 665,485,468.03/26,680.72
  6. Step 6: Final answer
    x = 24,942.56

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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.