Home / 14,820.12-20,451.96-8,532.36

Finding the Fourth Proportional to 14,820.12, 20,451.96 and 8,532.36

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Solution

The fourth proportional to 14,820.12, 20,451.96 and 8,532.36 is: 11,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.12 : 20,451.96 = 8,532.36 : x
  2. Step 2: Convert to fraction form
    14,820.12/20,451.96 = 8,532.36/x
  3. Step 3: Cross multiply
    14,820.12x = 20,451.96 × 8,532.36
  4. Step 4: Simplify right side
    14,820.12x = 174,503,485.43
  5. Step 5: Solve for x
    x = 174,503,485.43/14,820.12
  6. Step 6: Final answer
    x = 11,774.77

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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.