Home / 15,880.96-23,822.52-4,786.66

Finding the Fourth Proportional to 15,880.96, 23,822.52 and 4,786.66

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Solution

The fourth proportional to 15,880.96, 23,822.52 and 4,786.66 is: 7,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.96 : 23,822.52 = 4,786.66 : x
  2. Step 2: Convert to fraction form
    15,880.96/23,822.52 = 4,786.66/x
  3. Step 3: Cross multiply
    15,880.96x = 23,822.52 × 4,786.66
  4. Step 4: Simplify right side
    15,880.96x = 114,030,303.58
  5. Step 5: Solve for x
    x = 114,030,303.58/15,880.96
  6. Step 6: Final answer
    x = 7,180.32

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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.