Home / 16,912.80-23,349.60-10,200.60

Finding the Fourth Proportional to 16,912.80, 23,349.60 and 10,200.60

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Solution

The fourth proportional to 16,912.80, 23,349.60 and 10,200.60 is: 14,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.80 : 23,349.60 = 10,200.60 : x
  2. Step 2: Convert to fraction form
    16,912.80/23,349.60 = 10,200.60/x
  3. Step 3: Cross multiply
    16,912.80x = 23,349.60 × 10,200.60
  4. Step 4: Simplify right side
    16,912.80x = 238,179,929.76
  5. Step 5: Solve for x
    x = 238,179,929.76/16,912.80
  6. Step 6: Final answer
    x = 14,082.82

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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.