Home / 15,983.87-23,939.55-7,670.03

Finding the Fourth Proportional to 15,983.87, 23,939.55 and 7,670.03

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Solution

The fourth proportional to 15,983.87, 23,939.55 and 7,670.03 is: 11,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.87 : 23,939.55 = 7,670.03 : x
  2. Step 2: Convert to fraction form
    15,983.87/23,939.55 = 7,670.03/x
  3. Step 3: Cross multiply
    15,983.87x = 23,939.55 × 7,670.03
  4. Step 4: Simplify right side
    15,983.87x = 183,616,946.99
  5. Step 5: Solve for x
    x = 183,616,946.99/15,983.87
  6. Step 6: Final answer
    x = 11,487.64

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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.