Home / 23,690.74-35,448.42-18,996.40

Finding the Fourth Proportional to 23,690.74, 35,448.42 and 18,996.40

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Solution

The fourth proportional to 23,690.74, 35,448.42 and 18,996.40 is: 28,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,690.74 : 35,448.42 = 18,996.40 : x
  2. Step 2: Convert to fraction form
    23,690.74/35,448.42 = 18,996.40/x
  3. Step 3: Cross multiply
    23,690.74x = 35,448.42 × 18,996.40
  4. Step 4: Simplify right side
    23,690.74x = 673,392,365.69
  5. Step 5: Solve for x
    x = 673,392,365.69/23,690.74
  6. Step 6: Final answer
    x = 28,424.29

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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.