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Finding the Fourth Proportional to 23,172.41, 31,953.93 and 19,826.30

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Solution

The fourth proportional to 23,172.41, 31,953.93 and 19,826.30 is: 27,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.41 : 31,953.93 = 19,826.30 : x
  2. Step 2: Convert to fraction form
    23,172.41/31,953.93 = 19,826.30/x
  3. Step 3: Cross multiply
    23,172.41x = 31,953.93 × 19,826.30
  4. Step 4: Simplify right side
    23,172.41x = 633,528,202.36
  5. Step 5: Solve for x
    x = 633,528,202.36/23,172.41
  6. Step 6: Final answer
    x = 27,339.76

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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.