Home / 25,446.06-35,108.34-20,051.78

Finding the Fourth Proportional to 25,446.06, 35,108.34 and 20,051.78

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Solution

The fourth proportional to 25,446.06, 35,108.34 and 20,051.78 is: 27,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.06 : 35,108.34 = 20,051.78 : x
  2. Step 2: Convert to fraction form
    25,446.06/35,108.34 = 20,051.78/x
  3. Step 3: Cross multiply
    25,446.06x = 35,108.34 × 20,051.78
  4. Step 4: Simplify right side
    25,446.06x = 703,984,534.30
  5. Step 5: Solve for x
    x = 703,984,534.30/25,446.06
  6. Step 6: Final answer
    x = 27,665.76

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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.