Home / 19,580.75-27,021.47-11,197.43

Finding the Fourth Proportional to 19,580.75, 27,021.47 and 11,197.43

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Solution

The fourth proportional to 19,580.75, 27,021.47 and 11,197.43 is: 15,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.75 : 27,021.47 = 11,197.43 : x
  2. Step 2: Convert to fraction form
    19,580.75/27,021.47 = 11,197.43/x
  3. Step 3: Cross multiply
    19,580.75x = 27,021.47 × 11,197.43
  4. Step 4: Simplify right side
    19,580.75x = 302,570,962.83
  5. Step 5: Solve for x
    x = 302,570,962.83/19,580.75
  6. Step 6: Final answer
    x = 15,452.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.