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Finding the Fourth Proportional to 14,959.68, 20,629.96 and 9,846.06

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Solution

The fourth proportional to 14,959.68, 20,629.96 and 9,846.06 is: 13,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.68 : 20,629.96 = 9,846.06 : x
  2. Step 2: Convert to fraction form
    14,959.68/20,629.96 = 9,846.06/x
  3. Step 3: Cross multiply
    14,959.68x = 20,629.96 × 9,846.06
  4. Step 4: Simplify right side
    14,959.68x = 203,123,823.96
  5. Step 5: Solve for x
    x = 203,123,823.96/14,959.68
  6. Step 6: Final answer
    x = 13,578.09

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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.