Home / 19,684.82-27,165.58-11,186.51

Finding the Fourth Proportional to 19,684.82, 27,165.58 and 11,186.51

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Solution

The fourth proportional to 19,684.82, 27,165.58 and 11,186.51 is: 15,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.82 : 27,165.58 = 11,186.51 : x
  2. Step 2: Convert to fraction form
    19,684.82/27,165.58 = 11,186.51/x
  3. Step 3: Cross multiply
    19,684.82x = 27,165.58 × 11,186.51
  4. Step 4: Simplify right side
    19,684.82x = 303,887,868.53
  5. Step 5: Solve for x
    x = 303,887,868.53/19,684.82
  6. Step 6: Final answer
    x = 15,437.67

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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.