Home / 16,375.68-22,599.36-10,782.72

Finding the Fourth Proportional to 16,375.68, 22,599.36 and 10,782.72

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Solution

The fourth proportional to 16,375.68, 22,599.36 and 10,782.72 is: 14,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,375.68 : 22,599.36 = 10,782.72 : x
  2. Step 2: Convert to fraction form
    16,375.68/22,599.36 = 10,782.72/x
  3. Step 3: Cross multiply
    16,375.68x = 22,599.36 × 10,782.72
  4. Step 4: Simplify right side
    16,375.68x = 243,682,571.06
  5. Step 5: Solve for x
    x = 243,682,571.06/16,375.68
  6. Step 6: Final answer
    x = 14,880.76

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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.