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Finding the Fourth Proportional to 18,959.94, 26,165.53 and 10,576.44

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Solution

The fourth proportional to 18,959.94, 26,165.53 and 10,576.44 is: 14,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959.94 : 26,165.53 = 10,576.44 : x
  2. Step 2: Convert to fraction form
    18,959.94/26,165.53 = 10,576.44/x
  3. Step 3: Cross multiply
    18,959.94x = 26,165.53 × 10,576.44
  4. Step 4: Simplify right side
    18,959.94x = 276,738,105.23
  5. Step 5: Solve for x
    x = 276,738,105.23/18,959.94
  6. Step 6: Final answer
    x = 14,595.94

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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.