Home / 16,861.07-23,268.27-9,409.07

Finding the Fourth Proportional to 16,861.07, 23,268.27 and 9,409.07

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Solution

The fourth proportional to 16,861.07, 23,268.27 and 9,409.07 is: 12,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.07 : 23,268.27 = 9,409.07 : x
  2. Step 2: Convert to fraction form
    16,861.07/23,268.27 = 9,409.07/x
  3. Step 3: Cross multiply
    16,861.07x = 23,268.27 × 9,409.07
  4. Step 4: Simplify right side
    16,861.07x = 218,932,781.21
  5. Step 5: Solve for x
    x = 218,932,781.21/16,861.07
  6. Step 6: Final answer
    x = 12,984.51

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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.