Home / 14,588.80-21,890.52-6,691.30

Finding the Fourth Proportional to 14,588.80, 21,890.52 and 6,691.30

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Solution

The fourth proportional to 14,588.80, 21,890.52 and 6,691.30 is: 10,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.80 : 21,890.52 = 6,691.30 : x
  2. Step 2: Convert to fraction form
    14,588.80/21,890.52 = 6,691.30/x
  3. Step 3: Cross multiply
    14,588.80x = 21,890.52 × 6,691.30
  4. Step 4: Simplify right side
    14,588.80x = 146,476,036.48
  5. Step 5: Solve for x
    x = 146,476,036.48/14,588.80
  6. Step 6: Final answer
    x = 10,040.31

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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.