Home / 14,607.09-21,905.66-4,743.92

Finding the Fourth Proportional to 14,607.09, 21,905.66 and 4,743.92

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Solution

The fourth proportional to 14,607.09, 21,905.66 and 4,743.92 is: 7,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.09 : 21,905.66 = 4,743.92 : x
  2. Step 2: Convert to fraction form
    14,607.09/21,905.66 = 4,743.92/x
  3. Step 3: Cross multiply
    14,607.09x = 21,905.66 × 4,743.92
  4. Step 4: Simplify right side
    14,607.09x = 103,918,765.21
  5. Step 5: Solve for x
    x = 103,918,765.21/14,607.09
  6. Step 6: Final answer
    x = 7,114.27

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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.