Home / 16,542.08-22,820.48-11,518.64

Finding the Fourth Proportional to 16,542.08, 22,820.48 and 11,518.64

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Solution

The fourth proportional to 16,542.08, 22,820.48 and 11,518.64 is: 15,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,542.08 : 22,820.48 = 11,518.64 : x
  2. Step 2: Convert to fraction form
    16,542.08/22,820.48 = 11,518.64/x
  3. Step 3: Cross multiply
    16,542.08x = 22,820.48 × 11,518.64
  4. Step 4: Simplify right side
    16,542.08x = 262,860,893.75
  5. Step 5: Solve for x
    x = 262,860,893.75/16,542.08
  6. Step 6: Final answer
    x = 15,890.44

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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.