Home / 19,441.70-29,161.38-11,440.96

Finding the Fourth Proportional to 19,441.70, 29,161.38 and 11,440.96

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Solution

The fourth proportional to 19,441.70, 29,161.38 and 11,440.96 is: 17,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,441.70 : 29,161.38 = 11,440.96 : x
  2. Step 2: Convert to fraction form
    19,441.70/29,161.38 = 11,440.96/x
  3. Step 3: Cross multiply
    19,441.70x = 29,161.38 × 11,440.96
  4. Step 4: Simplify right side
    19,441.70x = 333,634,182.12
  5. Step 5: Solve for x
    x = 333,634,182.12/19,441.70
  6. Step 6: Final answer
    x = 17,160.75

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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.