Home / 16,508.51-22,775.53-12,211.89

Finding the Fourth Proportional to 16,508.51, 22,775.53 and 12,211.89

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Solution

The fourth proportional to 16,508.51, 22,775.53 and 12,211.89 is: 16,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,508.51 : 22,775.53 = 12,211.89 : x
  2. Step 2: Convert to fraction form
    16,508.51/22,775.53 = 12,211.89/x
  3. Step 3: Cross multiply
    16,508.51x = 22,775.53 × 12,211.89
  4. Step 4: Simplify right side
    16,508.51x = 278,132,174.01
  5. Step 5: Solve for x
    x = 278,132,174.01/16,508.51
  6. Step 6: Final answer
    x = 16,847.81

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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.