Home / 28,482.03-42,734.07-11,837.79

Finding the Fourth Proportional to 28,482.03, 42,734.07 and 11,837.79

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Solution

The fourth proportional to 28,482.03, 42,734.07 and 11,837.79 is: 17,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482.03 : 42,734.07 = 11,837.79 : x
  2. Step 2: Convert to fraction form
    28,482.03/42,734.07 = 11,837.79/x
  3. Step 3: Cross multiply
    28,482.03x = 42,734.07 × 11,837.79
  4. Step 4: Simplify right side
    28,482.03x = 505,876,946.51
  5. Step 5: Solve for x
    x = 505,876,946.51/28,482.03
  6. Step 6: Final answer
    x = 17,761.27

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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.