Home / 15,727.46-23,563.38-8,315.48

Finding the Fourth Proportional to 15,727.46, 23,563.38 and 8,315.48

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Solution

The fourth proportional to 15,727.46, 23,563.38 and 8,315.48 is: 12,458.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.46 : 23,563.38 = 8,315.48 : x
  2. Step 2: Convert to fraction form
    15,727.46/23,563.38 = 8,315.48/x
  3. Step 3: Cross multiply
    15,727.46x = 23,563.38 × 8,315.48
  4. Step 4: Simplify right side
    15,727.46x = 195,940,815.12
  5. Step 5: Solve for x
    x = 195,940,815.12/15,727.46
  6. Step 6: Final answer
    x = 12,458.52

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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.