Home / 16,903.80-25,355.70-11,028.60

Finding the Fourth Proportional to 16,903.80, 25,355.70 and 11,028.60

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Solution

The fourth proportional to 16,903.80, 25,355.70 and 11,028.60 is: 16,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,903.80 : 25,355.70 = 11,028.60 : x
  2. Step 2: Convert to fraction form
    16,903.80/25,355.70 = 11,028.60/x
  3. Step 3: Cross multiply
    16,903.80x = 25,355.70 × 11,028.60
  4. Step 4: Simplify right side
    16,903.80x = 279,637,873.02
  5. Step 5: Solve for x
    x = 279,637,873.02/16,903.80
  6. Step 6: Final answer
    x = 16,542.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.