Home / 15,974.20-23,964.90-4,881.40

Finding the Fourth Proportional to 15,974.20, 23,964.90 and 4,881.40

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Solution

The fourth proportional to 15,974.20, 23,964.90 and 4,881.40 is: 7,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.20 : 23,964.90 = 4,881.40 : x
  2. Step 2: Convert to fraction form
    15,974.20/23,964.90 = 4,881.40/x
  3. Step 3: Cross multiply
    15,974.20x = 23,964.90 × 4,881.40
  4. Step 4: Simplify right side
    15,974.20x = 116,982,262.86
  5. Step 5: Solve for x
    x = 116,982,262.86/15,974.20
  6. Step 6: Final answer
    x = 7,323.20

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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.