Home / 19,900.96-27,462.32-11,941.60

Finding the Fourth Proportional to 19,900.96, 27,462.32 and 11,941.60

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Solution

The fourth proportional to 19,900.96, 27,462.32 and 11,941.60 is: 16,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.96 : 27,462.32 = 11,941.60 : x
  2. Step 2: Convert to fraction form
    19,900.96/27,462.32 = 11,941.60/x
  3. Step 3: Cross multiply
    19,900.96x = 27,462.32 × 11,941.60
  4. Step 4: Simplify right side
    19,900.96x = 327,944,040.51
  5. Step 5: Solve for x
    x = 327,944,040.51/19,900.96
  6. Step 6: Final answer
    x = 16,478.81

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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.