Home / 16,730.55-23,089.46-12,744.81

Finding the Fourth Proportional to 16,730.55, 23,089.46 and 12,744.81

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Solution

The fourth proportional to 16,730.55, 23,089.46 and 12,744.81 is: 17,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.55 : 23,089.46 = 12,744.81 : x
  2. Step 2: Convert to fraction form
    16,730.55/23,089.46 = 12,744.81/x
  3. Step 3: Cross multiply
    16,730.55x = 23,089.46 × 12,744.81
  4. Step 4: Simplify right side
    16,730.55x = 294,270,716.98
  5. Step 5: Solve for x
    x = 294,270,716.98/16,730.55
  6. Step 6: Final answer
    x = 17,588.83

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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.