Home / 21,348.65-32,045.52-11,996.66

Finding the Fourth Proportional to 21,348.65, 32,045.52 and 11,996.66

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Solution

The fourth proportional to 21,348.65, 32,045.52 and 11,996.66 is: 18,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.65 : 32,045.52 = 11,996.66 : x
  2. Step 2: Convert to fraction form
    21,348.65/32,045.52 = 11,996.66/x
  3. Step 3: Cross multiply
    21,348.65x = 32,045.52 × 11,996.66
  4. Step 4: Simplify right side
    21,348.65x = 384,439,047.74
  5. Step 5: Solve for x
    x = 384,439,047.74/21,348.65
  6. Step 6: Final answer
    x = 18,007.66

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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.