Home / 19,860.23-27,402.22-11,246.56

Finding the Fourth Proportional to 19,860.23, 27,402.22 and 11,246.56

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Solution

The fourth proportional to 19,860.23, 27,402.22 and 11,246.56 is: 15,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.23 : 27,402.22 = 11,246.56 : x
  2. Step 2: Convert to fraction form
    19,860.23/27,402.22 = 11,246.56/x
  3. Step 3: Cross multiply
    19,860.23x = 27,402.22 × 11,246.56
  4. Step 4: Simplify right side
    19,860.23x = 308,180,711.36
  5. Step 5: Solve for x
    x = 308,180,711.36/19,860.23
  6. Step 6: Final answer
    x = 15,517.48

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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.