Home / 15,712.58-23,563.87-5,180.64

Finding the Fourth Proportional to 15,712.58, 23,563.87 and 5,180.64

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Solution

The fourth proportional to 15,712.58, 23,563.87 and 5,180.64 is: 7,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,712.58 : 23,563.87 = 5,180.64 : x
  2. Step 2: Convert to fraction form
    15,712.58/23,563.87 = 5,180.64/x
  3. Step 3: Cross multiply
    15,712.58x = 23,563.87 × 5,180.64
  4. Step 4: Simplify right side
    15,712.58x = 122,075,826.16
  5. Step 5: Solve for x
    x = 122,075,826.16/15,712.58
  6. Step 6: Final answer
    x = 7,769.30

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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.