Home / 19,773.12-27,290.88-15,048.96

Finding the Fourth Proportional to 19,773.12, 27,290.88 and 15,048.96

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Solution

The fourth proportional to 19,773.12, 27,290.88 and 15,048.96 is: 20,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.12 : 27,290.88 = 15,048.96 : x
  2. Step 2: Convert to fraction form
    19,773.12/27,290.88 = 15,048.96/x
  3. Step 3: Cross multiply
    19,773.12x = 27,290.88 × 15,048.96
  4. Step 4: Simplify right side
    19,773.12x = 410,699,361.48
  5. Step 5: Solve for x
    x = 410,699,361.48/19,773.12
  6. Step 6: Final answer
    x = 20,770.59

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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.