Home / 16,745.56-23,089.08-13,751.80

Finding the Fourth Proportional to 16,745.56, 23,089.08 and 13,751.80

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Solution

The fourth proportional to 16,745.56, 23,089.08 and 13,751.80 is: 18,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.56 : 23,089.08 = 13,751.80 : x
  2. Step 2: Convert to fraction form
    16,745.56/23,089.08 = 13,751.80/x
  3. Step 3: Cross multiply
    16,745.56x = 23,089.08 × 13,751.80
  4. Step 4: Simplify right side
    16,745.56x = 317,516,410.34
  5. Step 5: Solve for x
    x = 317,516,410.34/16,745.56
  6. Step 6: Final answer
    x = 18,961.23

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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.