Home / 15,325.60-22,990.56-4,936

Finding the Fourth Proportional to 15,325.60, 22,990.56 and 4,936

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Solution

The fourth proportional to 15,325.60, 22,990.56 and 4,936 is: 7,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,325.60 : 22,990.56 = 4,936 : x
  2. Step 2: Convert to fraction form
    15,325.60/22,990.56 = 4,936/x
  3. Step 3: Cross multiply
    15,325.60x = 22,990.56 × 4,936
  4. Step 4: Simplify right side
    15,325.60x = 113,481,404.16
  5. Step 5: Solve for x
    x = 113,481,404.16/15,325.60
  6. Step 6: Final answer
    x = 7,404.70

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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.