Home / 19,719.24-27,206.46-11,334.12

Finding the Fourth Proportional to 19,719.24, 27,206.46 and 11,334.12

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Solution

The fourth proportional to 19,719.24, 27,206.46 and 11,334.12 is: 15,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.24 : 27,206.46 = 11,334.12 : x
  2. Step 2: Convert to fraction form
    19,719.24/27,206.46 = 11,334.12/x
  3. Step 3: Cross multiply
    19,719.24x = 27,206.46 × 11,334.12
  4. Step 4: Simplify right side
    19,719.24x = 308,361,282.42
  5. Step 5: Solve for x
    x = 308,361,282.42/19,719.24
  6. Step 6: Final answer
    x = 15,637.58

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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.