Home / 16,321.50-22,515.64-10,653.62

Finding the Fourth Proportional to 16,321.50, 22,515.64 and 10,653.62

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Solution

The fourth proportional to 16,321.50, 22,515.64 and 10,653.62 is: 14,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,321.50 : 22,515.64 = 10,653.62 : x
  2. Step 2: Convert to fraction form
    16,321.50/22,515.64 = 10,653.62/x
  3. Step 3: Cross multiply
    16,321.50x = 22,515.64 × 10,653.62
  4. Step 4: Simplify right side
    16,321.50x = 239,873,072.62
  5. Step 5: Solve for x
    x = 239,873,072.62/16,321.50
  6. Step 6: Final answer
    x = 14,696.75

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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.