Home / 21,045.98-29,043.39-11,614.47

Finding the Fourth Proportional to 21,045.98, 29,043.39 and 11,614.47

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Solution

The fourth proportional to 21,045.98, 29,043.39 and 11,614.47 is: 16,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.98 : 29,043.39 = 11,614.47 : x
  2. Step 2: Convert to fraction form
    21,045.98/29,043.39 = 11,614.47/x
  3. Step 3: Cross multiply
    21,045.98x = 29,043.39 × 11,614.47
  4. Step 4: Simplify right side
    21,045.98x = 337,323,523.78
  5. Step 5: Solve for x
    x = 337,323,523.78/21,045.98
  6. Step 6: Final answer
    x = 16,027.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.