Home / 15,449.78-23,173.59-4,356.02

Finding the Fourth Proportional to 15,449.78, 23,173.59 and 4,356.02

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Solution

The fourth proportional to 15,449.78, 23,173.59 and 4,356.02 is: 6,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.78 : 23,173.59 = 4,356.02 : x
  2. Step 2: Convert to fraction form
    15,449.78/23,173.59 = 4,356.02/x
  3. Step 3: Cross multiply
    15,449.78x = 23,173.59 × 4,356.02
  4. Step 4: Simplify right side
    15,449.78x = 100,944,621.51
  5. Step 5: Solve for x
    x = 100,944,621.51/15,449.78
  6. Step 6: Final answer
    x = 6,533.73

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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.