Home / 15,454.40-23,183.28-4,921.94

Finding the Fourth Proportional to 15,454.40, 23,183.28 and 4,921.94

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Solution

The fourth proportional to 15,454.40, 23,183.28 and 4,921.94 is: 7,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,454.40 : 23,183.28 = 4,921.94 : x
  2. Step 2: Convert to fraction form
    15,454.40/23,183.28 = 4,921.94/x
  3. Step 3: Cross multiply
    15,454.40x = 23,183.28 × 4,921.94
  4. Step 4: Simplify right side
    15,454.40x = 114,106,771.12
  5. Step 5: Solve for x
    x = 114,106,771.12/15,454.40
  6. Step 6: Final answer
    x = 7,383.45

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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.