Home / 14,951.76-20,634.12-8,667.60

Finding the Fourth Proportional to 14,951.76, 20,634.12 and 8,667.60

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Solution

The fourth proportional to 14,951.76, 20,634.12 and 8,667.60 is: 11,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.76 : 20,634.12 = 8,667.60 : x
  2. Step 2: Convert to fraction form
    14,951.76/20,634.12 = 8,667.60/x
  3. Step 3: Cross multiply
    14,951.76x = 20,634.12 × 8,667.60
  4. Step 4: Simplify right side
    14,951.76x = 178,848,298.51
  5. Step 5: Solve for x
    x = 178,848,298.51/14,951.76
  6. Step 6: Final answer
    x = 11,961.69

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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.