Home / 22,830.76-34,256.99-15,821.56

Finding the Fourth Proportional to 22,830.76, 34,256.99 and 15,821.56

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Solution

The fourth proportional to 22,830.76, 34,256.99 and 15,821.56 is: 23,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,830.76 : 34,256.99 = 15,821.56 : x
  2. Step 2: Convert to fraction form
    22,830.76/34,256.99 = 15,821.56/x
  3. Step 3: Cross multiply
    22,830.76x = 34,256.99 × 15,821.56
  4. Step 4: Simplify right side
    22,830.76x = 541,999,022.70
  5. Step 5: Solve for x
    x = 541,999,022.70/22,830.76
  6. Step 6: Final answer
    x = 23,739.86

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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.