Home / 14,564.21-21,796.12-8,938.15

Finding the Fourth Proportional to 14,564.21, 21,796.12 and 8,938.15

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Solution

The fourth proportional to 14,564.21, 21,796.12 and 8,938.15 is: 13,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,564.21 : 21,796.12 = 8,938.15 : x
  2. Step 2: Convert to fraction form
    14,564.21/21,796.12 = 8,938.15/x
  3. Step 3: Cross multiply
    14,564.21x = 21,796.12 × 8,938.15
  4. Step 4: Simplify right side
    14,564.21x = 194,816,946.66
  5. Step 5: Solve for x
    x = 194,816,946.66/14,564.21
  6. Step 6: Final answer
    x = 13,376.41

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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.