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Finding the Fourth Proportional to 18,130.19, 27,073.21 and 14,804.94

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Solution

The fourth proportional to 18,130.19, 27,073.21 and 14,804.94 is: 22,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.19 : 27,073.21 = 14,804.94 : x
  2. Step 2: Convert to fraction form
    18,130.19/27,073.21 = 14,804.94/x
  3. Step 3: Cross multiply
    18,130.19x = 27,073.21 × 14,804.94
  4. Step 4: Simplify right side
    18,130.19x = 400,817,249.66
  5. Step 5: Solve for x
    x = 400,817,249.66/18,130.19
  6. Step 6: Final answer
    x = 22,107.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.