Home / 16,813.48-23,201.70-9,361

Finding the Fourth Proportional to 16,813.48, 23,201.70 and 9,361

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Solution

The fourth proportional to 16,813.48, 23,201.70 and 9,361 is: 12,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.48 : 23,201.70 = 9,361 : x
  2. Step 2: Convert to fraction form
    16,813.48/23,201.70 = 9,361/x
  3. Step 3: Cross multiply
    16,813.48x = 23,201.70 × 9,361
  4. Step 4: Simplify right side
    16,813.48x = 217,191,113.70
  5. Step 5: Solve for x
    x = 217,191,113.70/16,813.48
  6. Step 6: Final answer
    x = 12,917.68

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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.