Home / 19,771.55-29,643.35-9,230.41

Finding the Fourth Proportional to 19,771.55, 29,643.35 and 9,230.41

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Solution

The fourth proportional to 19,771.55, 29,643.35 and 9,230.41 is: 13,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.55 : 29,643.35 = 9,230.41 : x
  2. Step 2: Convert to fraction form
    19,771.55/29,643.35 = 9,230.41/x
  3. Step 3: Cross multiply
    19,771.55x = 29,643.35 × 9,230.41
  4. Step 4: Simplify right side
    19,771.55x = 273,620,274.27
  5. Step 5: Solve for x
    x = 273,620,274.27/19,771.55
  6. Step 6: Final answer
    x = 13,839.09

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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.