Home / 14,487.60-21,738.72-6,702

Finding the Fourth Proportional to 14,487.60, 21,738.72 and 6,702

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Solution

The fourth proportional to 14,487.60, 21,738.72 and 6,702 is: 10,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.60 : 21,738.72 = 6,702 : x
  2. Step 2: Convert to fraction form
    14,487.60/21,738.72 = 6,702/x
  3. Step 3: Cross multiply
    14,487.60x = 21,738.72 × 6,702
  4. Step 4: Simplify right side
    14,487.60x = 145,692,901.44
  5. Step 5: Solve for x
    x = 145,692,901.44/14,487.60
  6. Step 6: Final answer
    x = 10,056.39

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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.