Home / 15,906.20-23,859.29-4,812.63

Finding the Fourth Proportional to 15,906.20, 23,859.29 and 4,812.63

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Solution

The fourth proportional to 15,906.20, 23,859.29 and 4,812.63 is: 7,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.20 : 23,859.29 = 4,812.63 : x
  2. Step 2: Convert to fraction form
    15,906.20/23,859.29 = 4,812.63/x
  3. Step 3: Cross multiply
    15,906.20x = 23,859.29 × 4,812.63
  4. Step 4: Simplify right side
    15,906.20x = 114,825,910.77
  5. Step 5: Solve for x
    x = 114,825,910.77/15,906.20
  6. Step 6: Final answer
    x = 7,218.94

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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.