Home / 19,114.62-28,654.25-17,538.05

Finding the Fourth Proportional to 19,114.62, 28,654.25 and 17,538.05

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Solution

The fourth proportional to 19,114.62, 28,654.25 and 17,538.05 is: 26,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.62 : 28,654.25 = 17,538.05 : x
  2. Step 2: Convert to fraction form
    19,114.62/28,654.25 = 17,538.05/x
  3. Step 3: Cross multiply
    19,114.62x = 28,654.25 × 17,538.05
  4. Step 4: Simplify right side
    19,114.62x = 502,539,438.25
  5. Step 5: Solve for x
    x = 502,539,438.25/19,114.62
  6. Step 6: Final answer
    x = 26,290.84

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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.