Home / 27,770.62-38,283.60-19,799.01

Finding the Fourth Proportional to 27,770.62, 38,283.60 and 19,799.01

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Solution

The fourth proportional to 27,770.62, 38,283.60 and 19,799.01 is: 27,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.62 : 38,283.60 = 19,799.01 : x
  2. Step 2: Convert to fraction form
    27,770.62/38,283.60 = 19,799.01/x
  3. Step 3: Cross multiply
    27,770.62x = 38,283.60 × 19,799.01
  4. Step 4: Simplify right side
    27,770.62x = 757,977,379.24
  5. Step 5: Solve for x
    x = 757,977,379.24/27,770.62
  6. Step 6: Final answer
    x = 27,294.22

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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.