Home / 15,984.24-23,977.32-4,891.71

Finding the Fourth Proportional to 15,984.24, 23,977.32 and 4,891.71

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Solution

The fourth proportional to 15,984.24, 23,977.32 and 4,891.71 is: 7,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.24 : 23,977.32 = 4,891.71 : x
  2. Step 2: Convert to fraction form
    15,984.24/23,977.32 = 4,891.71/x
  3. Step 3: Cross multiply
    15,984.24x = 23,977.32 × 4,891.71
  4. Step 4: Simplify right side
    15,984.24x = 117,290,096.02
  5. Step 5: Solve for x
    x = 117,290,096.02/15,984.24
  6. Step 6: Final answer
    x = 7,337.86

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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.