Home / 14,049.12-21,074.50-5,284.11

Finding the Fourth Proportional to 14,049.12, 21,074.50 and 5,284.11

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Solution

The fourth proportional to 14,049.12, 21,074.50 and 5,284.11 is: 7,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.12 : 21,074.50 = 5,284.11 : x
  2. Step 2: Convert to fraction form
    14,049.12/21,074.50 = 5,284.11/x
  3. Step 3: Cross multiply
    14,049.12x = 21,074.50 × 5,284.11
  4. Step 4: Simplify right side
    14,049.12x = 111,360,032.11
  5. Step 5: Solve for x
    x = 111,360,032.11/14,049.12
  6. Step 6: Final answer
    x = 7,926.48

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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.