Home / 13,257.73-19,893.98-11,318.77

Finding the Fourth Proportional to 13,257.73, 19,893.98 and 11,318.77

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Solution

The fourth proportional to 13,257.73, 19,893.98 and 11,318.77 is: 16,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.73 : 19,893.98 = 11,318.77 : x
  2. Step 2: Convert to fraction form
    13,257.73/19,893.98 = 11,318.77/x
  3. Step 3: Cross multiply
    13,257.73x = 19,893.98 × 11,318.77
  4. Step 4: Simplify right side
    13,257.73x = 225,175,384.00
  5. Step 5: Solve for x
    x = 225,175,384.00/13,257.73
  6. Step 6: Final answer
    x = 16,984.46

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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.