Home / 15,428.94-23,142.60-4,334.64

Finding the Fourth Proportional to 15,428.94, 23,142.60 and 4,334.64

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Solution

The fourth proportional to 15,428.94, 23,142.60 and 4,334.64 is: 6,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.94 : 23,142.60 = 4,334.64 : x
  2. Step 2: Convert to fraction form
    15,428.94/23,142.60 = 4,334.64/x
  3. Step 3: Cross multiply
    15,428.94x = 23,142.60 × 4,334.64
  4. Step 4: Simplify right side
    15,428.94x = 100,314,839.66
  5. Step 5: Solve for x
    x = 100,314,839.66/15,428.94
  6. Step 6: Final answer
    x = 6,501.73

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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.