Home / 16,537.77-24,775.38-12,821.79

Finding the Fourth Proportional to 16,537.77, 24,775.38 and 12,821.79

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Solution

The fourth proportional to 16,537.77, 24,775.38 and 12,821.79 is: 19,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,537.77 : 24,775.38 = 12,821.79 : x
  2. Step 2: Convert to fraction form
    16,537.77/24,775.38 = 12,821.79/x
  3. Step 3: Cross multiply
    16,537.77x = 24,775.38 × 12,821.79
  4. Step 4: Simplify right side
    16,537.77x = 317,664,719.53
  5. Step 5: Solve for x
    x = 317,664,719.53/16,537.77
  6. Step 6: Final answer
    x = 19,208.44

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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.