Home / 13,828.68-20,723.58-6,021.12

Finding the Fourth Proportional to 13,828.68, 20,723.58 and 6,021.12

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Solution

The fourth proportional to 13,828.68, 20,723.58 and 6,021.12 is: 9,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.68 : 20,723.58 = 6,021.12 : x
  2. Step 2: Convert to fraction form
    13,828.68/20,723.58 = 6,021.12/x
  3. Step 3: Cross multiply
    13,828.68x = 20,723.58 × 6,021.12
  4. Step 4: Simplify right side
    13,828.68x = 124,779,162.01
  5. Step 5: Solve for x
    x = 124,779,162.01/13,828.68
  6. Step 6: Final answer
    x = 9,023.22

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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.