Home / 19,806.70-27,333.23-11,850.79

Finding the Fourth Proportional to 19,806.70, 27,333.23 and 11,850.79

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Solution

The fourth proportional to 19,806.70, 27,333.23 and 11,850.79 is: 16,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.70 : 27,333.23 = 11,850.79 : x
  2. Step 2: Convert to fraction form
    19,806.70/27,333.23 = 11,850.79/x
  3. Step 3: Cross multiply
    19,806.70x = 27,333.23 × 11,850.79
  4. Step 4: Simplify right side
    19,806.70x = 323,920,368.75
  5. Step 5: Solve for x
    x = 323,920,368.75/19,806.70
  6. Step 6: Final answer
    x = 16,354.08

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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.