Home / 25,999.63-38,981.83-10,194.76

Finding the Fourth Proportional to 25,999.63, 38,981.83 and 10,194.76

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Solution

The fourth proportional to 25,999.63, 38,981.83 and 10,194.76 is: 15,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.63 : 38,981.83 = 10,194.76 : x
  2. Step 2: Convert to fraction form
    25,999.63/38,981.83 = 10,194.76/x
  3. Step 3: Cross multiply
    25,999.63x = 38,981.83 × 10,194.76
  4. Step 4: Simplify right side
    25,999.63x = 397,410,472.24
  5. Step 5: Solve for x
    x = 397,410,472.24/25,999.63
  6. Step 6: Final answer
    x = 15,285.23

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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.