Home / 16,278.58-24,421.13-6,918.52

Finding the Fourth Proportional to 16,278.58, 24,421.13 and 6,918.52

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Solution

The fourth proportional to 16,278.58, 24,421.13 and 6,918.52 is: 10,379.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.58 : 24,421.13 = 6,918.52 : x
  2. Step 2: Convert to fraction form
    16,278.58/24,421.13 = 6,918.52/x
  3. Step 3: Cross multiply
    16,278.58x = 24,421.13 × 6,918.52
  4. Step 4: Simplify right side
    16,278.58x = 168,958,076.33
  5. Step 5: Solve for x
    x = 168,958,076.33/16,278.58
  6. Step 6: Final answer
    x = 10,379.17

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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.