Home / 19,943.47-27,515.77-11,873.44

Finding the Fourth Proportional to 19,943.47, 27,515.77 and 11,873.44

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Solution

The fourth proportional to 19,943.47, 27,515.77 and 11,873.44 is: 16,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.47 : 27,515.77 = 11,873.44 : x
  2. Step 2: Convert to fraction form
    19,943.47/27,515.77 = 11,873.44/x
  3. Step 3: Cross multiply
    19,943.47x = 27,515.77 × 11,873.44
  4. Step 4: Simplify right side
    19,943.47x = 326,706,844.15
  5. Step 5: Solve for x
    x = 326,706,844.15/19,943.47
  6. Step 6: Final answer
    x = 16,381.64

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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.