Home / 14,500.60-20,015.58-13,231.96

Finding the Fourth Proportional to 14,500.60, 20,015.58 and 13,231.96

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Solution

The fourth proportional to 14,500.60, 20,015.58 and 13,231.96 is: 18,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.60 : 20,015.58 = 13,231.96 : x
  2. Step 2: Convert to fraction form
    14,500.60/20,015.58 = 13,231.96/x
  3. Step 3: Cross multiply
    14,500.60x = 20,015.58 × 13,231.96
  4. Step 4: Simplify right side
    14,500.60x = 264,845,353.94
  5. Step 5: Solve for x
    x = 264,845,353.94/14,500.60
  6. Step 6: Final answer
    x = 18,264.44

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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.