Home / 19,911.51-27,466.44-12,446.55

Finding the Fourth Proportional to 19,911.51, 27,466.44 and 12,446.55

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Solution

The fourth proportional to 19,911.51, 27,466.44 and 12,446.55 is: 17,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.51 : 27,466.44 = 12,446.55 : x
  2. Step 2: Convert to fraction form
    19,911.51/27,466.44 = 12,446.55/x
  3. Step 3: Cross multiply
    19,911.51x = 27,466.44 × 12,446.55
  4. Step 4: Simplify right side
    19,911.51x = 341,862,418.78
  5. Step 5: Solve for x
    x = 341,862,418.78/19,911.51
  6. Step 6: Final answer
    x = 17,169.09

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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.