Home / 15,694.89-23,539.74-5,165.06

Finding the Fourth Proportional to 15,694.89, 23,539.74 and 5,165.06

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Solution

The fourth proportional to 15,694.89, 23,539.74 and 5,165.06 is: 7,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,694.89 : 23,539.74 = 5,165.06 : x
  2. Step 2: Convert to fraction form
    15,694.89/23,539.74 = 5,165.06/x
  3. Step 3: Cross multiply
    15,694.89x = 23,539.74 × 5,165.06
  4. Step 4: Simplify right side
    15,694.89x = 121,584,051.79
  5. Step 5: Solve for x
    x = 121,584,051.79/15,694.89
  6. Step 6: Final answer
    x = 7,746.73

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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.