Home / 13,892.15-20,829.33-5,999.81

Finding the Fourth Proportional to 13,892.15, 20,829.33 and 5,999.81

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Solution

The fourth proportional to 13,892.15, 20,829.33 and 5,999.81 is: 8,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.15 : 20,829.33 = 5,999.81 : x
  2. Step 2: Convert to fraction form
    13,892.15/20,829.33 = 5,999.81/x
  3. Step 3: Cross multiply
    13,892.15x = 20,829.33 × 5,999.81
  4. Step 4: Simplify right side
    13,892.15x = 124,971,918.28
  5. Step 5: Solve for x
    x = 124,971,918.28/13,892.15
  6. Step 6: Final answer
    x = 8,995.87

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1.5x scale

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.