Home / 27,603.30-41,407.20-11,808.45

Finding the Fourth Proportional to 27,603.30, 41,407.20 and 11,808.45

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Solution

The fourth proportional to 27,603.30, 41,407.20 and 11,808.45 is: 17,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.30 : 41,407.20 = 11,808.45 : x
  2. Step 2: Convert to fraction form
    27,603.30/41,407.20 = 11,808.45/x
  3. Step 3: Cross multiply
    27,603.30x = 41,407.20 × 11,808.45
  4. Step 4: Simplify right side
    27,603.30x = 488,954,850.84
  5. Step 5: Solve for x
    x = 488,954,850.84/27,603.30
  6. Step 6: Final answer
    x = 17,713.64

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1.5x scale

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.