Home / 15,107.16-22,612.21-8,069.57

Finding the Fourth Proportional to 15,107.16, 22,612.21 and 8,069.57

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Solution

The fourth proportional to 15,107.16, 22,612.21 and 8,069.57 is: 12,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.16 : 22,612.21 = 8,069.57 : x
  2. Step 2: Convert to fraction form
    15,107.16/22,612.21 = 8,069.57/x
  3. Step 3: Cross multiply
    15,107.16x = 22,612.21 × 8,069.57
  4. Step 4: Simplify right side
    15,107.16x = 182,470,935.60
  5. Step 5: Solve for x
    x = 182,470,935.60/15,107.16
  6. Step 6: Final answer
    x = 12,078.44

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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.