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Finding the Fourth Proportional to 15,967.86, 22,035.44 and 8,894.34

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Solution

The fourth proportional to 15,967.86, 22,035.44 and 8,894.34 is: 12,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.86 : 22,035.44 = 8,894.34 : x
  2. Step 2: Convert to fraction form
    15,967.86/22,035.44 = 8,894.34/x
  3. Step 3: Cross multiply
    15,967.86x = 22,035.44 × 8,894.34
  4. Step 4: Simplify right side
    15,967.86x = 195,990,695.41
  5. Step 5: Solve for x
    x = 195,990,695.41/15,967.86
  6. Step 6: Final answer
    x = 12,274.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.