Home / 12,966.94-19,448.79-3,607.66

Finding the Fourth Proportional to 12,966.94, 19,448.79 and 3,607.66

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Solution

The fourth proportional to 12,966.94, 19,448.79 and 3,607.66 is: 5,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.94 : 19,448.79 = 3,607.66 : x
  2. Step 2: Convert to fraction form
    12,966.94/19,448.79 = 3,607.66/x
  3. Step 3: Cross multiply
    12,966.94x = 19,448.79 × 3,607.66
  4. Step 4: Simplify right side
    12,966.94x = 70,164,621.73
  5. Step 5: Solve for x
    x = 70,164,621.73/12,966.94
  6. Step 6: Final answer
    x = 5,411.04

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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.