Home / 19,749.42-27,250.44-11,684.34

Finding the Fourth Proportional to 19,749.42, 27,250.44 and 11,684.34

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Solution

The fourth proportional to 19,749.42, 27,250.44 and 11,684.34 is: 16,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.42 : 27,250.44 = 11,684.34 : x
  2. Step 2: Convert to fraction form
    19,749.42/27,250.44 = 11,684.34/x
  3. Step 3: Cross multiply
    19,749.42x = 27,250.44 × 11,684.34
  4. Step 4: Simplify right side
    19,749.42x = 318,403,406.11
  5. Step 5: Solve for x
    x = 318,403,406.11/19,749.42
  6. Step 6: Final answer
    x = 16,122.16

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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.