Home / 13,412.01-20,124.72-6,021.75

Finding the Fourth Proportional to 13,412.01, 20,124.72 and 6,021.75

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Solution

The fourth proportional to 13,412.01, 20,124.72 and 6,021.75 is: 9,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.01 : 20,124.72 = 6,021.75 : x
  2. Step 2: Convert to fraction form
    13,412.01/20,124.72 = 6,021.75/x
  3. Step 3: Cross multiply
    13,412.01x = 20,124.72 × 6,021.75
  4. Step 4: Simplify right side
    13,412.01x = 121,186,032.66
  5. Step 5: Solve for x
    x = 121,186,032.66/13,412.01
  6. Step 6: Final answer
    x = 9,035.64

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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.