Home / 19,579.04-27,014.64-11,195.36

Finding the Fourth Proportional to 19,579.04, 27,014.64 and 11,195.36

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Solution

The fourth proportional to 19,579.04, 27,014.64 and 11,195.36 is: 15,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.04 : 27,014.64 = 11,195.36 : x
  2. Step 2: Convert to fraction form
    19,579.04/27,014.64 = 11,195.36/x
  3. Step 3: Cross multiply
    19,579.04x = 27,014.64 × 11,195.36
  4. Step 4: Simplify right side
    19,579.04x = 302,438,620.07
  5. Step 5: Solve for x
    x = 302,438,620.07/19,579.04
  6. Step 6: Final answer
    x = 15,447.06

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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.