Home / 14,814.48-20,451.78-11,783.64

Finding the Fourth Proportional to 14,814.48, 20,451.78 and 11,783.64

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Solution

The fourth proportional to 14,814.48, 20,451.78 and 11,783.64 is: 16,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.48 : 20,451.78 = 11,783.64 : x
  2. Step 2: Convert to fraction form
    14,814.48/20,451.78 = 11,783.64/x
  3. Step 3: Cross multiply
    14,814.48x = 20,451.78 × 11,783.64
  4. Step 4: Simplify right side
    14,814.48x = 240,996,412.88
  5. Step 5: Solve for x
    x = 240,996,412.88/14,814.48
  6. Step 6: Final answer
    x = 16,267.63

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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.