Home / 14,865.08-20,513.26-8,150.55

Finding the Fourth Proportional to 14,865.08, 20,513.26 and 8,150.55

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Solution

The fourth proportional to 14,865.08, 20,513.26 and 8,150.55 is: 11,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.08 : 20,513.26 = 8,150.55 : x
  2. Step 2: Convert to fraction form
    14,865.08/20,513.26 = 8,150.55/x
  3. Step 3: Cross multiply
    14,865.08x = 20,513.26 × 8,150.55
  4. Step 4: Simplify right side
    14,865.08x = 167,194,310.54
  5. Step 5: Solve for x
    x = 167,194,310.54/14,865.08
  6. Step 6: Final answer
    x = 11,247.45

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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.