Home / 19,873.33-27,427.57-11,919.93

Finding the Fourth Proportional to 19,873.33, 27,427.57 and 11,919.93

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Solution

The fourth proportional to 19,873.33, 27,427.57 and 11,919.93 is: 16,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.33 : 27,427.57 = 11,919.93 : x
  2. Step 2: Convert to fraction form
    19,873.33/27,427.57 = 11,919.93/x
  3. Step 3: Cross multiply
    19,873.33x = 27,427.57 × 11,919.93
  4. Step 4: Simplify right side
    19,873.33x = 326,934,714.47
  5. Step 5: Solve for x
    x = 326,934,714.47/19,873.33
  6. Step 6: Final answer
    x = 16,450.93

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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.