Home / 13,870.58-20,797.20-5,861.23

Finding the Fourth Proportional to 13,870.58, 20,797.20 and 5,861.23

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Solution

The fourth proportional to 13,870.58, 20,797.20 and 5,861.23 is: 8,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.58 : 20,797.20 = 5,861.23 : x
  2. Step 2: Convert to fraction form
    13,870.58/20,797.20 = 5,861.23/x
  3. Step 3: Cross multiply
    13,870.58x = 20,797.20 × 5,861.23
  4. Step 4: Simplify right side
    13,870.58x = 121,897,120.56
  5. Step 5: Solve for x
    x = 121,897,120.56/13,870.58
  6. Step 6: Final answer
    x = 8,788.18

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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.