Home / 14,406.78-21,613.80-4,018.50

Finding the Fourth Proportional to 14,406.78, 21,613.80 and 4,018.50

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Solution

The fourth proportional to 14,406.78, 21,613.80 and 4,018.50 is: 6,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.78 : 21,613.80 = 4,018.50 : x
  2. Step 2: Convert to fraction form
    14,406.78/21,613.80 = 4,018.50/x
  3. Step 3: Cross multiply
    14,406.78x = 21,613.80 × 4,018.50
  4. Step 4: Simplify right side
    14,406.78x = 86,855,055.30
  5. Step 5: Solve for x
    x = 86,855,055.30/14,406.78
  6. Step 6: Final answer
    x = 6,028.76

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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.