Home / 25,731.06-35,525.70-19,793.76

Finding the Fourth Proportional to 25,731.06, 35,525.70 and 19,793.76

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Solution

The fourth proportional to 25,731.06, 35,525.70 and 19,793.76 is: 27,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.06 : 35,525.70 = 19,793.76 : x
  2. Step 2: Convert to fraction form
    25,731.06/35,525.70 = 19,793.76/x
  3. Step 3: Cross multiply
    25,731.06x = 35,525.70 × 19,793.76
  4. Step 4: Simplify right side
    25,731.06x = 703,187,179.63
  5. Step 5: Solve for x
    x = 703,187,179.63/25,731.06
  6. Step 6: Final answer
    x = 27,328.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.