Home / 12,966.08-19,450.14-6,388.68

Finding the Fourth Proportional to 12,966.08, 19,450.14 and 6,388.68

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Solution

The fourth proportional to 12,966.08, 19,450.14 and 6,388.68 is: 9,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.08 : 19,450.14 = 6,388.68 : x
  2. Step 2: Convert to fraction form
    12,966.08/19,450.14 = 6,388.68/x
  3. Step 3: Cross multiply
    12,966.08x = 19,450.14 × 6,388.68
  4. Step 4: Simplify right side
    12,966.08x = 124,260,591.22
  5. Step 5: Solve for x
    x = 124,260,591.22/12,966.08
  6. Step 6: Final answer
    x = 9,583.52

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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.