Home / 14,181.30-19,572.57-8,216.59

Finding the Fourth Proportional to 14,181.30, 19,572.57 and 8,216.59

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Solution

The fourth proportional to 14,181.30, 19,572.57 and 8,216.59 is: 11,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.30 : 19,572.57 = 8,216.59 : x
  2. Step 2: Convert to fraction form
    14,181.30/19,572.57 = 8,216.59/x
  3. Step 3: Cross multiply
    14,181.30x = 19,572.57 × 8,216.59
  4. Step 4: Simplify right side
    14,181.30x = 160,819,782.94
  5. Step 5: Solve for x
    x = 160,819,782.94/14,181.30
  6. Step 6: Final answer
    x = 11,340.27

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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.