Home / 17,764.84-24,505.78-12,378.75

Finding the Fourth Proportional to 17,764.84, 24,505.78 and 12,378.75

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Solution

The fourth proportional to 17,764.84, 24,505.78 and 12,378.75 is: 17,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,764.84 : 24,505.78 = 12,378.75 : x
  2. Step 2: Convert to fraction form
    17,764.84/24,505.78 = 12,378.75/x
  3. Step 3: Cross multiply
    17,764.84x = 24,505.78 × 12,378.75
  4. Step 4: Simplify right side
    17,764.84x = 303,350,770.70
  5. Step 5: Solve for x
    x = 303,350,770.70/17,764.84
  6. Step 6: Final answer
    x = 17,075.91

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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.