Home / 15,383.50-23,072.91-4,289.02

Finding the Fourth Proportional to 15,383.50, 23,072.91 and 4,289.02

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Solution

The fourth proportional to 15,383.50, 23,072.91 and 4,289.02 is: 6,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.50 : 23,072.91 = 4,289.02 : x
  2. Step 2: Convert to fraction form
    15,383.50/23,072.91 = 4,289.02/x
  3. Step 3: Cross multiply
    15,383.50x = 23,072.91 × 4,289.02
  4. Step 4: Simplify right side
    15,383.50x = 98,960,172.45
  5. Step 5: Solve for x
    x = 98,960,172.45/15,383.50
  6. Step 6: Final answer
    x = 6,432.88

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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.