Home / 17,385.48-26,078.22-8,149.32

Finding the Fourth Proportional to 17,385.48, 26,078.22 and 8,149.32

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Solution

The fourth proportional to 17,385.48, 26,078.22 and 8,149.32 is: 12,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.48 : 26,078.22 = 8,149.32 : x
  2. Step 2: Convert to fraction form
    17,385.48/26,078.22 = 8,149.32/x
  3. Step 3: Cross multiply
    17,385.48x = 26,078.22 × 8,149.32
  4. Step 4: Simplify right side
    17,385.48x = 212,519,759.81
  5. Step 5: Solve for x
    x = 212,519,759.81/17,385.48
  6. Step 6: Final answer
    x = 12,223.98

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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.