Home / 14,889.62-20,548.01-8,516.79

Finding the Fourth Proportional to 14,889.62, 20,548.01 and 8,516.79

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Solution

The fourth proportional to 14,889.62, 20,548.01 and 8,516.79 is: 11,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.62 : 20,548.01 = 8,516.79 : x
  2. Step 2: Convert to fraction form
    14,889.62/20,548.01 = 8,516.79/x
  3. Step 3: Cross multiply
    14,889.62x = 20,548.01 × 8,516.79
  4. Step 4: Simplify right side
    14,889.62x = 175,003,043.50
  5. Step 5: Solve for x
    x = 175,003,043.50/14,889.62
  6. Step 6: Final answer
    x = 11,753.36

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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.