Home / 14,110.68-19,467.72-8,143.86

Finding the Fourth Proportional to 14,110.68, 19,467.72 and 8,143.86

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Solution

The fourth proportional to 14,110.68, 19,467.72 and 8,143.86 is: 11,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.68 : 19,467.72 = 8,143.86 : x
  2. Step 2: Convert to fraction form
    14,110.68/19,467.72 = 8,143.86/x
  3. Step 3: Cross multiply
    14,110.68x = 19,467.72 × 8,143.86
  4. Step 4: Simplify right side
    14,110.68x = 158,542,386.20
  5. Step 5: Solve for x
    x = 158,542,386.20/14,110.68
  6. Step 6: Final answer
    x = 11,235.63

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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.