Home / 13,276.30-19,917.17-11,100.24

Finding the Fourth Proportional to 13,276.30, 19,917.17 and 11,100.24

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Solution

The fourth proportional to 13,276.30, 19,917.17 and 11,100.24 is: 16,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.30 : 19,917.17 = 11,100.24 : x
  2. Step 2: Convert to fraction form
    13,276.30/19,917.17 = 11,100.24/x
  3. Step 3: Cross multiply
    13,276.30x = 19,917.17 × 11,100.24
  4. Step 4: Simplify right side
    13,276.30x = 221,085,367.12
  5. Step 5: Solve for x
    x = 221,085,367.12/13,276.30
  6. Step 6: Final answer
    x = 16,652.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.