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Finding the Fourth Proportional to 18,269.40, 27,371.70 and 14,964.60

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Solution

The fourth proportional to 18,269.40, 27,371.70 and 14,964.60 is: 22,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.40 : 27,371.70 = 14,964.60 : x
  2. Step 2: Convert to fraction form
    18,269.40/27,371.70 = 14,964.60/x
  3. Step 3: Cross multiply
    18,269.40x = 27,371.70 × 14,964.60
  4. Step 4: Simplify right side
    18,269.40x = 409,606,541.82
  5. Step 5: Solve for x
    x = 409,606,541.82/18,269.40
  6. Step 6: Final answer
    x = 22,420.36

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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.