Home / 16,939.74-23,353.74-11,274.75

Finding the Fourth Proportional to 16,939.74, 23,353.74 and 11,274.75

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Solution

The fourth proportional to 16,939.74, 23,353.74 and 11,274.75 is: 15,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.74 : 23,353.74 = 11,274.75 : x
  2. Step 2: Convert to fraction form
    16,939.74/23,353.74 = 11,274.75/x
  3. Step 3: Cross multiply
    16,939.74x = 23,353.74 × 11,274.75
  4. Step 4: Simplify right side
    16,939.74x = 263,307,580.07
  5. Step 5: Solve for x
    x = 263,307,580.07/16,939.74
  6. Step 6: Final answer
    x = 15,543.78

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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.