Home / 14,619.34-20,173.12-8,244.51

Finding the Fourth Proportional to 14,619.34, 20,173.12 and 8,244.51

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Solution

The fourth proportional to 14,619.34, 20,173.12 and 8,244.51 is: 11,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.34 : 20,173.12 = 8,244.51 : x
  2. Step 2: Convert to fraction form
    14,619.34/20,173.12 = 8,244.51/x
  3. Step 3: Cross multiply
    14,619.34x = 20,173.12 × 8,244.51
  4. Step 4: Simplify right side
    14,619.34x = 166,317,489.57
  5. Step 5: Solve for x
    x = 166,317,489.57/14,619.34
  6. Step 6: Final answer
    x = 11,376.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.