Home / 13,677.40-18,827.40-11,795.23

Finding the Fourth Proportional to 13,677.40, 18,827.40 and 11,795.23

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Solution

The fourth proportional to 13,677.40, 18,827.40 and 11,795.23 is: 16,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.40 : 18,827.40 = 11,795.23 : x
  2. Step 2: Convert to fraction form
    13,677.40/18,827.40 = 11,795.23/x
  3. Step 3: Cross multiply
    13,677.40x = 18,827.40 × 11,795.23
  4. Step 4: Simplify right side
    13,677.40x = 222,073,513.30
  5. Step 5: Solve for x
    x = 222,073,513.30/13,677.40
  6. Step 6: Final answer
    x = 16,236.53

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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.