Home / 19,853.22-27,388.71-12,297.54

Finding the Fourth Proportional to 19,853.22, 27,388.71 and 12,297.54

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Solution

The fourth proportional to 19,853.22, 27,388.71 and 12,297.54 is: 16,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.22 : 27,388.71 = 12,297.54 : x
  2. Step 2: Convert to fraction form
    19,853.22/27,388.71 = 12,297.54/x
  3. Step 3: Cross multiply
    19,853.22x = 27,388.71 × 12,297.54
  4. Step 4: Simplify right side
    19,853.22x = 336,813,756.77
  5. Step 5: Solve for x
    x = 336,813,756.77/19,853.22
  6. Step 6: Final answer
    x = 16,965.20

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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.