Home / 16,861.41-23,268.83-9,307.61

Finding the Fourth Proportional to 16,861.41, 23,268.83 and 9,307.61

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Solution

The fourth proportional to 16,861.41, 23,268.83 and 9,307.61 is: 12,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.41 : 23,268.83 = 9,307.61 : x
  2. Step 2: Convert to fraction form
    16,861.41/23,268.83 = 9,307.61/x
  3. Step 3: Cross multiply
    16,861.41x = 23,268.83 × 9,307.61
  4. Step 4: Simplify right side
    16,861.41x = 216,577,031.91
  5. Step 5: Solve for x
    x = 216,577,031.91/16,861.41
  6. Step 6: Final answer
    x = 12,844.54

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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.