Home / 15,975.21-23,964.88-5,442.38

Finding the Fourth Proportional to 15,975.21, 23,964.88 and 5,442.38

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Solution

The fourth proportional to 15,975.21, 23,964.88 and 5,442.38 is: 8,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.21 : 23,964.88 = 5,442.38 : x
  2. Step 2: Convert to fraction form
    15,975.21/23,964.88 = 5,442.38/x
  3. Step 3: Cross multiply
    15,975.21x = 23,964.88 × 5,442.38
  4. Step 4: Simplify right side
    15,975.21x = 130,426,062.47
  5. Step 5: Solve for x
    x = 130,426,062.47/15,975.21
  6. Step 6: Final answer
    x = 8,164.28

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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.