Home / 23,112.20-34,619.70-19,224.20

Finding the Fourth Proportional to 23,112.20, 34,619.70 and 19,224.20

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Solution

The fourth proportional to 23,112.20, 34,619.70 and 19,224.20 is: 28,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.20 : 34,619.70 = 19,224.20 : x
  2. Step 2: Convert to fraction form
    23,112.20/34,619.70 = 19,224.20/x
  3. Step 3: Cross multiply
    23,112.20x = 34,619.70 × 19,224.20
  4. Step 4: Simplify right side
    23,112.20x = 665,536,036.74
  5. Step 5: Solve for x
    x = 665,536,036.74/23,112.20
  6. Step 6: Final answer
    x = 28,795.88

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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.