Home / 19,255.35-26,558.16-12,174.95

Finding the Fourth Proportional to 19,255.35, 26,558.16 and 12,174.95

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Solution

The fourth proportional to 19,255.35, 26,558.16 and 12,174.95 is: 16,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.35 : 26,558.16 = 12,174.95 : x
  2. Step 2: Convert to fraction form
    19,255.35/26,558.16 = 12,174.95/x
  3. Step 3: Cross multiply
    19,255.35x = 26,558.16 × 12,174.95
  4. Step 4: Simplify right side
    19,255.35x = 323,344,137.30
  5. Step 5: Solve for x
    x = 323,344,137.30/19,255.35
  6. Step 6: Final answer
    x = 16,792.43

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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.