Home / 26,512.20-36,522.90-18,541.80

Finding the Fourth Proportional to 26,512.20, 36,522.90 and 18,541.80

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Solution

The fourth proportional to 26,512.20, 36,522.90 and 18,541.80 is: 25,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,512.20 : 36,522.90 = 18,541.80 : x
  2. Step 2: Convert to fraction form
    26,512.20/36,522.90 = 18,541.80/x
  3. Step 3: Cross multiply
    26,512.20x = 36,522.90 × 18,541.80
  4. Step 4: Simplify right side
    26,512.20x = 677,200,307.22
  5. Step 5: Solve for x
    x = 677,200,307.22/26,512.20
  6. Step 6: Final answer
    x = 25,542.97

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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.