Home / 23,143.45-34,714.02-8,151.31

Finding the Fourth Proportional to 23,143.45, 34,714.02 and 8,151.31

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Solution

The fourth proportional to 23,143.45, 34,714.02 and 8,151.31 is: 12,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.45 : 34,714.02 = 8,151.31 : x
  2. Step 2: Convert to fraction form
    23,143.45/34,714.02 = 8,151.31/x
  3. Step 3: Cross multiply
    23,143.45x = 34,714.02 × 8,151.31
  4. Step 4: Simplify right side
    23,143.45x = 282,964,651.58
  5. Step 5: Solve for x
    x = 282,964,651.58/23,143.45
  6. Step 6: Final answer
    x = 12,226.56

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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.