Home / 15,772.02-23,621.31-7,962

Finding the Fourth Proportional to 15,772.02, 23,621.31 and 7,962

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Solution

The fourth proportional to 15,772.02, 23,621.31 and 7,962 is: 11,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.02 : 23,621.31 = 7,962 : x
  2. Step 2: Convert to fraction form
    15,772.02/23,621.31 = 7,962/x
  3. Step 3: Cross multiply
    15,772.02x = 23,621.31 × 7,962
  4. Step 4: Simplify right side
    15,772.02x = 188,072,870.22
  5. Step 5: Solve for x
    x = 188,072,870.22/15,772.02
  6. Step 6: Final answer
    x = 11,924.46

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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.