Home / 14,093.29-19,452.25-8,128.55

Finding the Fourth Proportional to 14,093.29, 19,452.25 and 8,128.55

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Solution

The fourth proportional to 14,093.29, 19,452.25 and 8,128.55 is: 11,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.29 : 19,452.25 = 8,128.55 : x
  2. Step 2: Convert to fraction form
    14,093.29/19,452.25 = 8,128.55/x
  3. Step 3: Cross multiply
    14,093.29x = 19,452.25 × 8,128.55
  4. Step 4: Simplify right side
    14,093.29x = 158,118,645.53
  5. Step 5: Solve for x
    x = 158,118,645.53/14,093.29
  6. Step 6: Final answer
    x = 11,219.43

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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.