Home / 17,987.49-26,979.30-4,841.19

Finding the Fourth Proportional to 17,987.49, 26,979.30 and 4,841.19

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Solution

The fourth proportional to 17,987.49, 26,979.30 and 4,841.19 is: 7,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.49 : 26,979.30 = 4,841.19 : x
  2. Step 2: Convert to fraction form
    17,987.49/26,979.30 = 4,841.19/x
  3. Step 3: Cross multiply
    17,987.49x = 26,979.30 × 4,841.19
  4. Step 4: Simplify right side
    17,987.49x = 130,611,917.37
  5. Step 5: Solve for x
    x = 130,611,917.37/17,987.49
  6. Step 6: Final answer
    x = 7,261.26

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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.