Home / 14,052.16-19,392.20-7,764.56

Finding the Fourth Proportional to 14,052.16, 19,392.20 and 7,764.56

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Solution

The fourth proportional to 14,052.16, 19,392.20 and 7,764.56 is: 10,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.16 : 19,392.20 = 7,764.56 : x
  2. Step 2: Convert to fraction form
    14,052.16/19,392.20 = 7,764.56/x
  3. Step 3: Cross multiply
    14,052.16x = 19,392.20 × 7,764.56
  4. Step 4: Simplify right side
    14,052.16x = 150,571,900.43
  5. Step 5: Solve for x
    x = 150,571,900.43/14,052.16
  6. Step 6: Final answer
    x = 10,715.21

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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.