Home / 14,600.96-20,144.40-8,308.88

Finding the Fourth Proportional to 14,600.96, 20,144.40 and 8,308.88

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Solution

The fourth proportional to 14,600.96, 20,144.40 and 8,308.88 is: 11,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.96 : 20,144.40 = 8,308.88 : x
  2. Step 2: Convert to fraction form
    14,600.96/20,144.40 = 8,308.88/x
  3. Step 3: Cross multiply
    14,600.96x = 20,144.40 × 8,308.88
  4. Step 4: Simplify right side
    14,600.96x = 167,377,402.27
  5. Step 5: Solve for x
    x = 167,377,402.27/14,600.96
  6. Step 6: Final answer
    x = 11,463.45

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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.