Home / 13,106.34-19,633.50-6,185.70

Finding the Fourth Proportional to 13,106.34, 19,633.50 and 6,185.70

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Solution

The fourth proportional to 13,106.34, 19,633.50 and 6,185.70 is: 9,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.34 : 19,633.50 = 6,185.70 : x
  2. Step 2: Convert to fraction form
    13,106.34/19,633.50 = 6,185.70/x
  3. Step 3: Cross multiply
    13,106.34x = 19,633.50 × 6,185.70
  4. Step 4: Simplify right side
    13,106.34x = 121,446,940.95
  5. Step 5: Solve for x
    x = 121,446,940.95/13,106.34
  6. Step 6: Final answer
    x = 9,266.27

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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.