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Finding the Fourth Proportional to 14,483, 21,676.28 and 10,953.56

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Solution

The fourth proportional to 14,483, 21,676.28 and 10,953.56 is: 16,393.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483 : 21,676.28 = 10,953.56 : x
  2. Step 2: Convert to fraction form
    14,483/21,676.28 = 10,953.56/x
  3. Step 3: Cross multiply
    14,483x = 21,676.28 × 10,953.56
  4. Step 4: Simplify right side
    14,483x = 237,432,433.56
  5. Step 5: Solve for x
    x = 237,432,433.56/14,483
  6. Step 6: Final answer
    x = 16,393.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.