Home / 13,886.44-19,163.59-12,826.96

Finding the Fourth Proportional to 13,886.44, 19,163.59 and 12,826.96

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Solution

The fourth proportional to 13,886.44, 19,163.59 and 12,826.96 is: 17,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.44 : 19,163.59 = 12,826.96 : x
  2. Step 2: Convert to fraction form
    13,886.44/19,163.59 = 12,826.96/x
  3. Step 3: Cross multiply
    13,886.44x = 19,163.59 × 12,826.96
  4. Step 4: Simplify right side
    13,886.44x = 245,810,522.41
  5. Step 5: Solve for x
    x = 245,810,522.41/13,886.44
  6. Step 6: Final answer
    x = 17,701.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.