Home / 14,176.74-19,530.06-9,919.86

Finding the Fourth Proportional to 14,176.74, 19,530.06 and 9,919.86

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Solution

The fourth proportional to 14,176.74, 19,530.06 and 9,919.86 is: 13,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.74 : 19,530.06 = 9,919.86 : x
  2. Step 2: Convert to fraction form
    14,176.74/19,530.06 = 9,919.86/x
  3. Step 3: Cross multiply
    14,176.74x = 19,530.06 × 9,919.86
  4. Step 4: Simplify right side
    14,176.74x = 193,735,460.99
  5. Step 5: Solve for x
    x = 193,735,460.99/14,176.74
  6. Step 6: Final answer
    x = 13,665.73

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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.