Home / 18,881.38-26,056.49-10,383.56

Finding the Fourth Proportional to 18,881.38, 26,056.49 and 10,383.56

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Solution

The fourth proportional to 18,881.38, 26,056.49 and 10,383.56 is: 14,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.38 : 26,056.49 = 10,383.56 : x
  2. Step 2: Convert to fraction form
    18,881.38/26,056.49 = 10,383.56/x
  3. Step 3: Cross multiply
    18,881.38x = 26,056.49 × 10,383.56
  4. Step 4: Simplify right side
    18,881.38x = 270,558,945.10
  5. Step 5: Solve for x
    x = 270,558,945.10/18,881.38
  6. Step 6: Final answer
    x = 14,329.41

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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.