Home / 13,826.09-19,084.08-11,957.75

Finding the Fourth Proportional to 13,826.09, 19,084.08 and 11,957.75

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Solution

The fourth proportional to 13,826.09, 19,084.08 and 11,957.75 is: 16,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.09 : 19,084.08 = 11,957.75 : x
  2. Step 2: Convert to fraction form
    13,826.09/19,084.08 = 11,957.75/x
  3. Step 3: Cross multiply
    13,826.09x = 19,084.08 × 11,957.75
  4. Step 4: Simplify right side
    13,826.09x = 228,202,562.20
  5. Step 5: Solve for x
    x = 228,202,562.20/13,826.09
  6. Step 6: Final answer
    x = 16,505.22

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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.