Home / 17,898.15-26,847.51-5,418.30

Finding the Fourth Proportional to 17,898.15, 26,847.51 and 5,418.30

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Solution

The fourth proportional to 17,898.15, 26,847.51 and 5,418.30 is: 8,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.15 : 26,847.51 = 5,418.30 : x
  2. Step 2: Convert to fraction form
    17,898.15/26,847.51 = 5,418.30/x
  3. Step 3: Cross multiply
    17,898.15x = 26,847.51 × 5,418.30
  4. Step 4: Simplify right side
    17,898.15x = 145,467,863.43
  5. Step 5: Solve for x
    x = 145,467,863.43/17,898.15
  6. Step 6: Final answer
    x = 8,127.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.