Home / 27,903.75-41,820.03-13,080.01

Finding the Fourth Proportional to 27,903.75, 41,820.03 and 13,080.01

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Solution

The fourth proportional to 27,903.75, 41,820.03 and 13,080.01 is: 19,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.75 : 41,820.03 = 13,080.01 : x
  2. Step 2: Convert to fraction form
    27,903.75/41,820.03 = 13,080.01/x
  3. Step 3: Cross multiply
    27,903.75x = 41,820.03 × 13,080.01
  4. Step 4: Simplify right side
    27,903.75x = 547,006,306.05
  5. Step 5: Solve for x
    x = 547,006,306.05/27,903.75
  6. Step 6: Final answer
    x = 19,603.33

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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.