Home / 19,980.93-27,573.60-11,028.36

Finding the Fourth Proportional to 19,980.93, 27,573.60 and 11,028.36

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Solution

The fourth proportional to 19,980.93, 27,573.60 and 11,028.36 is: 15,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.93 : 27,573.60 = 11,028.36 : x
  2. Step 2: Convert to fraction form
    19,980.93/27,573.60 = 11,028.36/x
  3. Step 3: Cross multiply
    19,980.93x = 27,573.60 × 11,028.36
  4. Step 4: Simplify right side
    19,980.93x = 304,091,587.30
  5. Step 5: Solve for x
    x = 304,091,587.30/19,980.93
  6. Step 6: Final answer
    x = 15,219.09

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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.