Home / 14,627.20-21,892.20-12,877.60

Finding the Fourth Proportional to 14,627.20, 21,892.20 and 12,877.60

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Solution

The fourth proportional to 14,627.20, 21,892.20 and 12,877.60 is: 19,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.20 : 21,892.20 = 12,877.60 : x
  2. Step 2: Convert to fraction form
    14,627.20/21,892.20 = 12,877.60/x
  3. Step 3: Cross multiply
    14,627.20x = 21,892.20 × 12,877.60
  4. Step 4: Simplify right side
    14,627.20x = 281,918,994.72
  5. Step 5: Solve for x
    x = 281,918,994.72/14,627.20
  6. Step 6: Final answer
    x = 19,273.61

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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.