Home / 15,648.87-23,471.37-6,288.51

Finding the Fourth Proportional to 15,648.87, 23,471.37 and 6,288.51

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Solution

The fourth proportional to 15,648.87, 23,471.37 and 6,288.51 is: 9,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.87 : 23,471.37 = 6,288.51 : x
  2. Step 2: Convert to fraction form
    15,648.87/23,471.37 = 6,288.51/x
  3. Step 3: Cross multiply
    15,648.87x = 23,471.37 × 6,288.51
  4. Step 4: Simplify right side
    15,648.87x = 147,599,944.96
  5. Step 5: Solve for x
    x = 147,599,944.96/15,648.87
  6. Step 6: Final answer
    x = 9,431.99

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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.