Home / 12,018.08-16,496.68-10,662.14

Finding the Fourth Proportional to 12,018.08, 16,496.68 and 10,662.14

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Solution

The fourth proportional to 12,018.08, 16,496.68 and 10,662.14 is: 14,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.08 : 16,496.68 = 10,662.14 : x
  2. Step 2: Convert to fraction form
    12,018.08/16,496.68 = 10,662.14/x
  3. Step 3: Cross multiply
    12,018.08x = 16,496.68 × 10,662.14
  4. Step 4: Simplify right side
    12,018.08x = 175,889,911.70
  5. Step 5: Solve for x
    x = 175,889,911.70/12,018.08
  6. Step 6: Final answer
    x = 14,635.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.