Home / 17,376.50-23,999.37-11,777.78

Finding the Fourth Proportional to 17,376.50, 23,999.37 and 11,777.78

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Solution

The fourth proportional to 17,376.50, 23,999.37 and 11,777.78 is: 16,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.50 : 23,999.37 = 11,777.78 : x
  2. Step 2: Convert to fraction form
    17,376.50/23,999.37 = 11,777.78/x
  3. Step 3: Cross multiply
    17,376.50x = 23,999.37 × 11,777.78
  4. Step 4: Simplify right side
    17,376.50x = 282,659,300.00
  5. Step 5: Solve for x
    x = 282,659,300.00/17,376.50
  6. Step 6: Final answer
    x = 16,266.76

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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.