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Finding the Fourth Proportional to 15,995.76, 23,986.35 and 8,210.04

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Solution

The fourth proportional to 15,995.76, 23,986.35 and 8,210.04 is: 12,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.76 : 23,986.35 = 8,210.04 : x
  2. Step 2: Convert to fraction form
    15,995.76/23,986.35 = 8,210.04/x
  3. Step 3: Cross multiply
    15,995.76x = 23,986.35 × 8,210.04
  4. Step 4: Simplify right side
    15,995.76x = 196,928,892.95
  5. Step 5: Solve for x
    x = 196,928,892.95/15,995.76
  6. Step 6: Final answer
    x = 12,311.32

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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.