Home / 23,109.24-34,660.04-8,315.40

Finding the Fourth Proportional to 23,109.24, 34,660.04 and 8,315.40

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Solution

The fourth proportional to 23,109.24, 34,660.04 and 8,315.40 is: 12,471.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,109.24 : 34,660.04 = 8,315.40 : x
  2. Step 2: Convert to fraction form
    23,109.24/34,660.04 = 8,315.40/x
  3. Step 3: Cross multiply
    23,109.24x = 34,660.04 × 8,315.40
  4. Step 4: Simplify right side
    23,109.24x = 288,212,096.62
  5. Step 5: Solve for x
    x = 288,212,096.62/23,109.24
  6. Step 6: Final answer
    x = 12,471.73

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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.