Home / 23,730.80-32,745.60-13,118.96

Finding the Fourth Proportional to 23,730.80, 32,745.60 and 13,118.96

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Solution

The fourth proportional to 23,730.80, 32,745.60 and 13,118.96 is: 18,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,730.80 : 32,745.60 = 13,118.96 : x
  2. Step 2: Convert to fraction form
    23,730.80/32,745.60 = 13,118.96/x
  3. Step 3: Cross multiply
    23,730.80x = 32,745.60 × 13,118.96
  4. Step 4: Simplify right side
    23,730.80x = 429,588,216.58
  5. Step 5: Solve for x
    x = 429,588,216.58/23,730.80
  6. Step 6: Final answer
    x = 18,102.56

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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.