Home / 14,123.01-21,183.36-4,762.83

Finding the Fourth Proportional to 14,123.01, 21,183.36 and 4,762.83

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Solution

The fourth proportional to 14,123.01, 21,183.36 and 4,762.83 is: 7,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.01 : 21,183.36 = 4,762.83 : x
  2. Step 2: Convert to fraction form
    14,123.01/21,183.36 = 4,762.83/x
  3. Step 3: Cross multiply
    14,123.01x = 21,183.36 × 4,762.83
  4. Step 4: Simplify right side
    14,123.01x = 100,892,742.51
  5. Step 5: Solve for x
    x = 100,892,742.51/14,123.01
  6. Step 6: Final answer
    x = 7,143.86

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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.