Home / 15,788.06-23,686-4,694.70

Finding the Fourth Proportional to 15,788.06, 23,686 and 4,694.70

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Solution

The fourth proportional to 15,788.06, 23,686 and 4,694.70 is: 7,043.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.06 : 23,686 = 4,694.70 : x
  2. Step 2: Convert to fraction form
    15,788.06/23,686 = 4,694.70/x
  3. Step 3: Cross multiply
    15,788.06x = 23,686 × 4,694.70
  4. Step 4: Simplify right side
    15,788.06x = 111,198,664.20
  5. Step 5: Solve for x
    x = 111,198,664.20/15,788.06
  6. Step 6: Final answer
    x = 7,043.21

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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.