Home / 14,047.60-21,056.82-6,646.44

Finding the Fourth Proportional to 14,047.60, 21,056.82 and 6,646.44

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Solution

The fourth proportional to 14,047.60, 21,056.82 and 6,646.44 is: 9,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.60 : 21,056.82 = 6,646.44 : x
  2. Step 2: Convert to fraction form
    14,047.60/21,056.82 = 6,646.44/x
  3. Step 3: Cross multiply
    14,047.60x = 21,056.82 × 6,646.44
  4. Step 4: Simplify right side
    14,047.60x = 139,952,890.72
  5. Step 5: Solve for x
    x = 139,952,890.72/14,047.60
  6. Step 6: Final answer
    x = 9,962.76

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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.