Home / 16,201.50-22,360.50-9,917.52

Finding the Fourth Proportional to 16,201.50, 22,360.50 and 9,917.52

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Solution

The fourth proportional to 16,201.50, 22,360.50 and 9,917.52 is: 13,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,201.50 : 22,360.50 = 9,917.52 : x
  2. Step 2: Convert to fraction form
    16,201.50/22,360.50 = 9,917.52/x
  3. Step 3: Cross multiply
    16,201.50x = 22,360.50 × 9,917.52
  4. Step 4: Simplify right side
    16,201.50x = 221,760,705.96
  5. Step 5: Solve for x
    x = 221,760,705.96/16,201.50
  6. Step 6: Final answer
    x = 13,687.67

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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.