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Finding the Fourth Proportional to 15,573.96, 21,492 and 8,500.41

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Solution

The fourth proportional to 15,573.96, 21,492 and 8,500.41 is: 11,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.96 : 21,492 = 8,500.41 : x
  2. Step 2: Convert to fraction form
    15,573.96/21,492 = 8,500.41/x
  3. Step 3: Cross multiply
    15,573.96x = 21,492 × 8,500.41
  4. Step 4: Simplify right side
    15,573.96x = 182,690,811.72
  5. Step 5: Solve for x
    x = 182,690,811.72/15,573.96
  6. Step 6: Final answer
    x = 11,730.53

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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.