Home / 14,250.33-21,381.64-7,675.20

Finding the Fourth Proportional to 14,250.33, 21,381.64 and 7,675.20

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Solution

The fourth proportional to 14,250.33, 21,381.64 and 7,675.20 is: 11,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.33 : 21,381.64 = 7,675.20 : x
  2. Step 2: Convert to fraction form
    14,250.33/21,381.64 = 7,675.20/x
  3. Step 3: Cross multiply
    14,250.33x = 21,381.64 × 7,675.20
  4. Step 4: Simplify right side
    14,250.33x = 164,108,218.04
  5. Step 5: Solve for x
    x = 164,108,218.04/14,250.33
  6. Step 6: Final answer
    x = 11,516.10

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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.