Home / 16,811.50-23,199.72-9,257.69

Finding the Fourth Proportional to 16,811.50, 23,199.72 and 9,257.69

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Solution

The fourth proportional to 16,811.50, 23,199.72 and 9,257.69 is: 12,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.50 : 23,199.72 = 9,257.69 : x
  2. Step 2: Convert to fraction form
    16,811.50/23,199.72 = 9,257.69/x
  3. Step 3: Cross multiply
    16,811.50x = 23,199.72 × 9,257.69
  4. Step 4: Simplify right side
    16,811.50x = 214,775,839.13
  5. Step 5: Solve for x
    x = 214,775,839.13/16,811.50
  6. Step 6: Final answer
    x = 12,775.53

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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.