Home / 13,716.78-20,576.99-6,322.92

Finding the Fourth Proportional to 13,716.78, 20,576.99 and 6,322.92

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Solution

The fourth proportional to 13,716.78, 20,576.99 and 6,322.92 is: 9,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.78 : 20,576.99 = 6,322.92 : x
  2. Step 2: Convert to fraction form
    13,716.78/20,576.99 = 6,322.92/x
  3. Step 3: Cross multiply
    13,716.78x = 20,576.99 × 6,322.92
  4. Step 4: Simplify right side
    13,716.78x = 130,106,661.61
  5. Step 5: Solve for x
    x = 130,106,661.61/13,716.78
  6. Step 6: Final answer
    x = 9,485.22

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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.