Home / 13,899.28-20,842.61-5,998.05

Finding the Fourth Proportional to 13,899.28, 20,842.61 and 5,998.05

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Solution

The fourth proportional to 13,899.28, 20,842.61 and 5,998.05 is: 8,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.28 : 20,842.61 = 5,998.05 : x
  2. Step 2: Convert to fraction form
    13,899.28/20,842.61 = 5,998.05/x
  3. Step 3: Cross multiply
    13,899.28x = 20,842.61 × 5,998.05
  4. Step 4: Simplify right side
    13,899.28x = 125,015,016.91
  5. Step 5: Solve for x
    x = 125,015,016.91/13,899.28
  6. Step 6: Final answer
    x = 8,994.35

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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.