Home / 15,998.81-23,997.33-4,905.50

Finding the Fourth Proportional to 15,998.81, 23,997.33 and 4,905.50

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Solution

The fourth proportional to 15,998.81, 23,997.33 and 4,905.50 is: 7,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.81 : 23,997.33 = 4,905.50 : x
  2. Step 2: Convert to fraction form
    15,998.81/23,997.33 = 4,905.50/x
  3. Step 3: Cross multiply
    15,998.81x = 23,997.33 × 4,905.50
  4. Step 4: Simplify right side
    15,998.81x = 117,718,782.33
  5. Step 5: Solve for x
    x = 117,718,782.33/15,998.81
  6. Step 6: Final answer
    x = 7,357.97

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1.5x scale

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.