Home / 19,803.51-27,328.05-11,850.12

Finding the Fourth Proportional to 19,803.51, 27,328.05 and 11,850.12

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Solution

The fourth proportional to 19,803.51, 27,328.05 and 11,850.12 is: 16,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.51 : 27,328.05 = 11,850.12 : x
  2. Step 2: Convert to fraction form
    19,803.51/27,328.05 = 11,850.12/x
  3. Step 3: Cross multiply
    19,803.51x = 27,328.05 × 11,850.12
  4. Step 4: Simplify right side
    19,803.51x = 323,840,698.73
  5. Step 5: Solve for x
    x = 323,840,698.73/19,803.51
  6. Step 6: Final answer
    x = 16,352.69

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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.