Home / 36,689.10-55,026.48-11,722.44

Finding the Fourth Proportional to 36,689.10, 55,026.48 and 11,722.44

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Solution

The fourth proportional to 36,689.10, 55,026.48 and 11,722.44 is: 17,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.10 : 55,026.48 = 11,722.44 : x
  2. Step 2: Convert to fraction form
    36,689.10/55,026.48 = 11,722.44/x
  3. Step 3: Cross multiply
    36,689.10x = 55,026.48 × 11,722.44
  4. Step 4: Simplify right side
    36,689.10x = 645,044,610.21
  5. Step 5: Solve for x
    x = 645,044,610.21/36,689.10
  6. Step 6: Final answer
    x = 17,581.37

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1.5x scale

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.