Home / 14,814.60-20,444.22-8,100.12

Finding the Fourth Proportional to 14,814.60, 20,444.22 and 8,100.12

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Solution

The fourth proportional to 14,814.60, 20,444.22 and 8,100.12 is: 11,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.60 : 20,444.22 = 8,100.12 : x
  2. Step 2: Convert to fraction form
    14,814.60/20,444.22 = 8,100.12/x
  3. Step 3: Cross multiply
    14,814.60x = 20,444.22 × 8,100.12
  4. Step 4: Simplify right side
    14,814.60x = 165,600,635.31
  5. Step 5: Solve for x
    x = 165,600,635.31/14,814.60
  6. Step 6: Final answer
    x = 11,178.20

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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.