Home / 13,650.08-20,475.05-5,330.94

Finding the Fourth Proportional to 13,650.08, 20,475.05 and 5,330.94

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Solution

The fourth proportional to 13,650.08, 20,475.05 and 5,330.94 is: 7,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.08 : 20,475.05 = 5,330.94 : x
  2. Step 2: Convert to fraction form
    13,650.08/20,475.05 = 5,330.94/x
  3. Step 3: Cross multiply
    13,650.08x = 20,475.05 × 5,330.94
  4. Step 4: Simplify right side
    13,650.08x = 109,151,263.05
  5. Step 5: Solve for x
    x = 109,151,263.05/13,650.08
  6. Step 6: Final answer
    x = 7,996.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.