Home / 14,889.39-20,548.99-8,516.57

Finding the Fourth Proportional to 14,889.39, 20,548.99 and 8,516.57

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Solution

The fourth proportional to 14,889.39, 20,548.99 and 8,516.57 is: 11,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.39 : 20,548.99 = 8,516.57 : x
  2. Step 2: Convert to fraction form
    14,889.39/20,548.99 = 8,516.57/x
  3. Step 3: Cross multiply
    14,889.39x = 20,548.99 × 8,516.57
  4. Step 4: Simplify right side
    14,889.39x = 175,006,819.67
  5. Step 5: Solve for x
    x = 175,006,819.67/14,889.39
  6. Step 6: Final answer
    x = 11,753.80

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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.