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Finding the Fourth Proportional to 14,777.64, 20,384.28 and 10,793.88

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Solution

The fourth proportional to 14,777.64, 20,384.28 and 10,793.88 is: 14,889.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.64 : 20,384.28 = 10,793.88 : x
  2. Step 2: Convert to fraction form
    14,777.64/20,384.28 = 10,793.88/x
  3. Step 3: Cross multiply
    14,777.64x = 20,384.28 × 10,793.88
  4. Step 4: Simplify right side
    14,777.64x = 220,025,472.21
  5. Step 5: Solve for x
    x = 220,025,472.21/14,777.64
  6. Step 6: Final answer
    x = 14,889.08

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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.