Home / 21,768.12-32,649.74-5,974.34

Finding the Fourth Proportional to 21,768.12, 32,649.74 and 5,974.34

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Solution

The fourth proportional to 21,768.12, 32,649.74 and 5,974.34 is: 8,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.12 : 32,649.74 = 5,974.34 : x
  2. Step 2: Convert to fraction form
    21,768.12/32,649.74 = 5,974.34/x
  3. Step 3: Cross multiply
    21,768.12x = 32,649.74 × 5,974.34
  4. Step 4: Simplify right side
    21,768.12x = 195,060,647.67
  5. Step 5: Solve for x
    x = 195,060,647.67/21,768.12
  6. Step 6: Final answer
    x = 8,960.84

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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.