Home / 14,818.60-20,450.13-8,104.41

Finding the Fourth Proportional to 14,818.60, 20,450.13 and 8,104.41

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Solution

The fourth proportional to 14,818.60, 20,450.13 and 8,104.41 is: 11,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.60 : 20,450.13 = 8,104.41 : x
  2. Step 2: Convert to fraction form
    14,818.60/20,450.13 = 8,104.41/x
  3. Step 3: Cross multiply
    14,818.60x = 20,450.13 × 8,104.41
  4. Step 4: Simplify right side
    14,818.60x = 165,736,238.07
  5. Step 5: Solve for x
    x = 165,736,238.07/14,818.60
  6. Step 6: Final answer
    x = 11,184.34

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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.