Home / 18,333.04-27,513.49-13,415.37

Finding the Fourth Proportional to 18,333.04, 27,513.49 and 13,415.37

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Solution

The fourth proportional to 18,333.04, 27,513.49 and 13,415.37 is: 20,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.04 : 27,513.49 = 13,415.37 : x
  2. Step 2: Convert to fraction form
    18,333.04/27,513.49 = 13,415.37/x
  3. Step 3: Cross multiply
    18,333.04x = 27,513.49 × 13,415.37
  4. Step 4: Simplify right side
    18,333.04x = 369,103,460.84
  5. Step 5: Solve for x
    x = 369,103,460.84/18,333.04
  6. Step 6: Final answer
    x = 20,133.24

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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.