Home / 19,766.46-29,655.15-11,431.26

Finding the Fourth Proportional to 19,766.46, 29,655.15 and 11,431.26

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Solution

The fourth proportional to 19,766.46, 29,655.15 and 11,431.26 is: 17,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.46 : 29,655.15 = 11,431.26 : x
  2. Step 2: Convert to fraction form
    19,766.46/29,655.15 = 11,431.26/x
  3. Step 3: Cross multiply
    19,766.46x = 29,655.15 × 11,431.26
  4. Step 4: Simplify right side
    19,766.46x = 338,995,729.99
  5. Step 5: Solve for x
    x = 338,995,729.99/19,766.46
  6. Step 6: Final answer
    x = 17,150.05

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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.