Home / 13,432.74-20,149.32-4,667.87

Finding the Fourth Proportional to 13,432.74, 20,149.32 and 4,667.87

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Solution

The fourth proportional to 13,432.74, 20,149.32 and 4,667.87 is: 7,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.74 : 20,149.32 = 4,667.87 : x
  2. Step 2: Convert to fraction form
    13,432.74/20,149.32 = 4,667.87/x
  3. Step 3: Cross multiply
    13,432.74x = 20,149.32 × 4,667.87
  4. Step 4: Simplify right side
    13,432.74x = 94,054,305.60
  5. Step 5: Solve for x
    x = 94,054,305.60/13,432.74
  6. Step 6: Final answer
    x = 7,001.87

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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.