Home / 19,578.21-27,051.82-14,559.04

Finding the Fourth Proportional to 19,578.21, 27,051.82 and 14,559.04

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Solution

The fourth proportional to 19,578.21, 27,051.82 and 14,559.04 is: 20,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.21 : 27,051.82 = 14,559.04 : x
  2. Step 2: Convert to fraction form
    19,578.21/27,051.82 = 14,559.04/x
  3. Step 3: Cross multiply
    19,578.21x = 27,051.82 × 14,559.04
  4. Step 4: Simplify right side
    19,578.21x = 393,848,608.76
  5. Step 5: Solve for x
    x = 393,848,608.76/19,578.21
  6. Step 6: Final answer
    x = 20,116.69

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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.