Home / 13,104.57-19,656.48-3,243.63

Finding the Fourth Proportional to 13,104.57, 19,656.48 and 3,243.63

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Solution

The fourth proportional to 13,104.57, 19,656.48 and 3,243.63 is: 4,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.57 : 19,656.48 = 3,243.63 : x
  2. Step 2: Convert to fraction form
    13,104.57/19,656.48 = 3,243.63/x
  3. Step 3: Cross multiply
    13,104.57x = 19,656.48 × 3,243.63
  4. Step 4: Simplify right side
    13,104.57x = 63,758,348.22
  5. Step 5: Solve for x
    x = 63,758,348.22/13,104.57
  6. Step 6: Final answer
    x = 4,865.35

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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.