Home / 13,852.39-20,766.26-5,085.25

Finding the Fourth Proportional to 13,852.39, 20,766.26 and 5,085.25

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Solution

The fourth proportional to 13,852.39, 20,766.26 and 5,085.25 is: 7,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.39 : 20,766.26 = 5,085.25 : x
  2. Step 2: Convert to fraction form
    13,852.39/20,766.26 = 5,085.25/x
  3. Step 3: Cross multiply
    13,852.39x = 20,766.26 × 5,085.25
  4. Step 4: Simplify right side
    13,852.39x = 105,601,623.67
  5. Step 5: Solve for x
    x = 105,601,623.67/13,852.39
  6. Step 6: Final answer
    x = 7,623.35

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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.