Home / 16,710.87-23,056.32-13,163.07

Finding the Fourth Proportional to 16,710.87, 23,056.32 and 13,163.07

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Solution

The fourth proportional to 16,710.87, 23,056.32 and 13,163.07 is: 18,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,710.87 : 23,056.32 = 13,163.07 : x
  2. Step 2: Convert to fraction form
    16,710.87/23,056.32 = 13,163.07/x
  3. Step 3: Cross multiply
    16,710.87x = 23,056.32 × 13,163.07
  4. Step 4: Simplify right side
    16,710.87x = 303,491,954.10
  5. Step 5: Solve for x
    x = 303,491,954.10/16,710.87
  6. Step 6: Final answer
    x = 18,161.35

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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.