Home / 15,845.45-23,791.54-8,839.16

Finding the Fourth Proportional to 15,845.45, 23,791.54 and 8,839.16

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Solution

The fourth proportional to 15,845.45, 23,791.54 and 8,839.16 is: 13,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.45 : 23,791.54 = 8,839.16 : x
  2. Step 2: Convert to fraction form
    15,845.45/23,791.54 = 8,839.16/x
  3. Step 3: Cross multiply
    15,845.45x = 23,791.54 × 8,839.16
  4. Step 4: Simplify right side
    15,845.45x = 210,297,228.71
  5. Step 5: Solve for x
    x = 210,297,228.71/15,845.45
  6. Step 6: Final answer
    x = 13,271.77

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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.