Home / 23,128.71-34,682.25-8,335.68

Finding the Fourth Proportional to 23,128.71, 34,682.25 and 8,335.68

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Solution

The fourth proportional to 23,128.71, 34,682.25 and 8,335.68 is: 12,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.71 : 34,682.25 = 8,335.68 : x
  2. Step 2: Convert to fraction form
    23,128.71/34,682.25 = 8,335.68/x
  3. Step 3: Cross multiply
    23,128.71x = 34,682.25 × 8,335.68
  4. Step 4: Simplify right side
    23,128.71x = 289,100,137.68
  5. Step 5: Solve for x
    x = 289,100,137.68/23,128.71
  6. Step 6: Final answer
    x = 12,499.62

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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.