Home / 14,921.44-20,590.52-8,207.54

Finding the Fourth Proportional to 14,921.44, 20,590.52 and 8,207.54

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Solution

The fourth proportional to 14,921.44, 20,590.52 and 8,207.54 is: 11,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.44 : 20,590.52 = 8,207.54 : x
  2. Step 2: Convert to fraction form
    14,921.44/20,590.52 = 8,207.54/x
  3. Step 3: Cross multiply
    14,921.44x = 20,590.52 × 8,207.54
  4. Step 4: Simplify right side
    14,921.44x = 168,997,516.52
  5. Step 5: Solve for x
    x = 168,997,516.52/14,921.44
  6. Step 6: Final answer
    x = 11,325.82

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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.