Home / 18,219.36-27,329.06-14,065.44

Finding the Fourth Proportional to 18,219.36, 27,329.06 and 14,065.44

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Solution

The fourth proportional to 18,219.36, 27,329.06 and 14,065.44 is: 21,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.36 : 27,329.06 = 14,065.44 : x
  2. Step 2: Convert to fraction form
    18,219.36/27,329.06 = 14,065.44/x
  3. Step 3: Cross multiply
    18,219.36x = 27,329.06 × 14,065.44
  4. Step 4: Simplify right side
    18,219.36x = 384,395,253.69
  5. Step 5: Solve for x
    x = 384,395,253.69/18,219.36
  6. Step 6: Final answer
    x = 21,098.18

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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.