Home / 19,623.54-27,080.34-11,127.26

Finding the Fourth Proportional to 19,623.54, 27,080.34 and 11,127.26

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Solution

The fourth proportional to 19,623.54, 27,080.34 and 11,127.26 is: 15,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.54 : 27,080.34 = 11,127.26 : x
  2. Step 2: Convert to fraction form
    19,623.54/27,080.34 = 11,127.26/x
  3. Step 3: Cross multiply
    19,623.54x = 27,080.34 × 11,127.26
  4. Step 4: Simplify right side
    19,623.54x = 301,329,984.07
  5. Step 5: Solve for x
    x = 301,329,984.07/19,623.54
  6. Step 6: Final answer
    x = 15,355.54

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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.