Home / 16,539.39-24,780.20-13,783.77

Finding the Fourth Proportional to 16,539.39, 24,780.20 and 13,783.77

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Solution

The fourth proportional to 16,539.39, 24,780.20 and 13,783.77 is: 20,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,539.39 : 24,780.20 = 13,783.77 : x
  2. Step 2: Convert to fraction form
    16,539.39/24,780.20 = 13,783.77/x
  3. Step 3: Cross multiply
    16,539.39x = 24,780.20 × 13,783.77
  4. Step 4: Simplify right side
    16,539.39x = 341,564,508.44
  5. Step 5: Solve for x
    x = 341,564,508.44/16,539.39
  6. Step 6: Final answer
    x = 20,651.58

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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.