Home / 23,106.20-34,610.70-19,218.20

Finding the Fourth Proportional to 23,106.20, 34,610.70 and 19,218.20

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Solution

The fourth proportional to 23,106.20, 34,610.70 and 19,218.20 is: 28,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,106.20 : 34,610.70 = 19,218.20 : x
  2. Step 2: Convert to fraction form
    23,106.20/34,610.70 = 19,218.20/x
  3. Step 3: Cross multiply
    23,106.20x = 34,610.70 × 19,218.20
  4. Step 4: Simplify right side
    23,106.20x = 665,155,354.74
  5. Step 5: Solve for x
    x = 665,155,354.74/23,106.20
  6. Step 6: Final answer
    x = 28,786.88

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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.