Home / 15,311.81-22,967.71-4,923.56

Finding the Fourth Proportional to 15,311.81, 22,967.71 and 4,923.56

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Solution

The fourth proportional to 15,311.81, 22,967.71 and 4,923.56 is: 7,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.81 : 22,967.71 = 4,923.56 : x
  2. Step 2: Convert to fraction form
    15,311.81/22,967.71 = 4,923.56/x
  3. Step 3: Cross multiply
    15,311.81x = 22,967.71 × 4,923.56
  4. Step 4: Simplify right side
    15,311.81x = 113,082,898.25
  5. Step 5: Solve for x
    x = 113,082,898.25/15,311.81
  6. Step 6: Final answer
    x = 7,385.34

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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.