Home / 15,880.56-23,822.72-4,193.88

Finding the Fourth Proportional to 15,880.56, 23,822.72 and 4,193.88

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Solution

The fourth proportional to 15,880.56, 23,822.72 and 4,193.88 is: 6,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.56 : 23,822.72 = 4,193.88 : x
  2. Step 2: Convert to fraction form
    15,880.56/23,822.72 = 4,193.88/x
  3. Step 3: Cross multiply
    15,880.56x = 23,822.72 × 4,193.88
  4. Step 4: Simplify right side
    15,880.56x = 99,909,628.95
  5. Step 5: Solve for x
    x = 99,909,628.95/15,880.56
  6. Step 6: Final answer
    x = 6,291.32

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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.