Home / 23,623.80-35,435.70-11,139.72

Finding the Fourth Proportional to 23,623.80, 35,435.70 and 11,139.72

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Solution

The fourth proportional to 23,623.80, 35,435.70 and 11,139.72 is: 16,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,623.80 : 35,435.70 = 11,139.72 : x
  2. Step 2: Convert to fraction form
    23,623.80/35,435.70 = 11,139.72/x
  3. Step 3: Cross multiply
    23,623.80x = 35,435.70 × 11,139.72
  4. Step 4: Simplify right side
    23,623.80x = 394,743,776.00
  5. Step 5: Solve for x
    x = 394,743,776.00/23,623.80
  6. Step 6: Final answer
    x = 16,709.58

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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.