Home / 19,745.68-29,621.59-11,846.34

Finding the Fourth Proportional to 19,745.68, 29,621.59 and 11,846.34

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Solution

The fourth proportional to 19,745.68, 29,621.59 and 11,846.34 is: 17,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.68 : 29,621.59 = 11,846.34 : x
  2. Step 2: Convert to fraction form
    19,745.68/29,621.59 = 11,846.34/x
  3. Step 3: Cross multiply
    19,745.68x = 29,621.59 × 11,846.34
  4. Step 4: Simplify right side
    19,745.68x = 350,907,307.99
  5. Step 5: Solve for x
    x = 350,907,307.99/19,745.68
  6. Step 6: Final answer
    x = 17,771.35

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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.