Home / 15,941.09-23,906.76-12,813.68

Finding the Fourth Proportional to 15,941.09, 23,906.76 and 12,813.68

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Solution

The fourth proportional to 15,941.09, 23,906.76 and 12,813.68 is: 19,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.09 : 23,906.76 = 12,813.68 : x
  2. Step 2: Convert to fraction form
    15,941.09/23,906.76 = 12,813.68/x
  3. Step 3: Cross multiply
    15,941.09x = 23,906.76 × 12,813.68
  4. Step 4: Simplify right side
    15,941.09x = 306,333,452.94
  5. Step 5: Solve for x
    x = 306,333,452.94/15,941.09
  6. Step 6: Final answer
    x = 19,216.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.