Home / 14,150.99-19,531.97-8,181.89

Finding the Fourth Proportional to 14,150.99, 19,531.97 and 8,181.89

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Solution

The fourth proportional to 14,150.99, 19,531.97 and 8,181.89 is: 11,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.99 : 19,531.97 = 8,181.89 : x
  2. Step 2: Convert to fraction form
    14,150.99/19,531.97 = 8,181.89/x
  3. Step 3: Cross multiply
    14,150.99x = 19,531.97 × 8,181.89
  4. Step 4: Simplify right side
    14,150.99x = 159,808,291.45
  5. Step 5: Solve for x
    x = 159,808,291.45/14,150.99
  6. Step 6: Final answer
    x = 11,293.09

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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.