Home / 18,383.10-27,588.56-13,465.52

Finding the Fourth Proportional to 18,383.10, 27,588.56 and 13,465.52

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Solution

The fourth proportional to 18,383.10, 27,588.56 and 13,465.52 is: 20,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.10 : 27,588.56 = 13,465.52 : x
  2. Step 2: Convert to fraction form
    18,383.10/27,588.56 = 13,465.52/x
  3. Step 3: Cross multiply
    18,383.10x = 27,588.56 × 13,465.52
  4. Step 4: Simplify right side
    18,383.10x = 371,494,306.45
  5. Step 5: Solve for x
    x = 371,494,306.45/18,383.10
  6. Step 6: Final answer
    x = 20,208.47

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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.