Home / 13,213.75-19,806.66-4,888.42

Finding the Fourth Proportional to 13,213.75, 19,806.66 and 4,888.42

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Solution

The fourth proportional to 13,213.75, 19,806.66 and 4,888.42 is: 7,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.75 : 19,806.66 = 4,888.42 : x
  2. Step 2: Convert to fraction form
    13,213.75/19,806.66 = 4,888.42/x
  3. Step 3: Cross multiply
    13,213.75x = 19,806.66 × 4,888.42
  4. Step 4: Simplify right side
    13,213.75x = 96,823,272.88
  5. Step 5: Solve for x
    x = 96,823,272.88/13,213.75
  6. Step 6: Final answer
    x = 7,327.46

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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.