Home / 15,972.09-23,961.77-4,880.35

Finding the Fourth Proportional to 15,972.09, 23,961.77 and 4,880.35

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Solution

The fourth proportional to 15,972.09, 23,961.77 and 4,880.35 is: 7,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.09 : 23,961.77 = 4,880.35 : x
  2. Step 2: Convert to fraction form
    15,972.09/23,961.77 = 4,880.35/x
  3. Step 3: Cross multiply
    15,972.09x = 23,961.77 × 4,880.35
  4. Step 4: Simplify right side
    15,972.09x = 116,941,824.22
  5. Step 5: Solve for x
    x = 116,941,824.22/15,972.09
  6. Step 6: Final answer
    x = 7,321.64

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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.