Home / 21,738.84-32,605.56-6,157.68

Finding the Fourth Proportional to 21,738.84, 32,605.56 and 6,157.68

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Solution

The fourth proportional to 21,738.84, 32,605.56 and 6,157.68 is: 9,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.84 : 32,605.56 = 6,157.68 : x
  2. Step 2: Convert to fraction form
    21,738.84/32,605.56 = 6,157.68/x
  3. Step 3: Cross multiply
    21,738.84x = 32,605.56 × 6,157.68
  4. Step 4: Simplify right side
    21,738.84x = 200,774,604.70
  5. Step 5: Solve for x
    x = 200,774,604.70/21,738.84
  6. Step 6: Final answer
    x = 9,235.76

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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.