Home / 13,223.35-19,835.93-3,863.60

Finding the Fourth Proportional to 13,223.35, 19,835.93 and 3,863.60

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Solution

The fourth proportional to 13,223.35, 19,835.93 and 3,863.60 is: 5,795.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.35 : 19,835.93 = 3,863.60 : x
  2. Step 2: Convert to fraction form
    13,223.35/19,835.93 = 3,863.60/x
  3. Step 3: Cross multiply
    13,223.35x = 19,835.93 × 3,863.60
  4. Step 4: Simplify right side
    13,223.35x = 76,637,999.97
  5. Step 5: Solve for x
    x = 76,637,999.97/13,223.35
  6. Step 6: Final answer
    x = 5,795.66

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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.