Home / 19,457.22-29,161.20-12,434.52

Finding the Fourth Proportional to 19,457.22, 29,161.20 and 12,434.52

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Solution

The fourth proportional to 19,457.22, 29,161.20 and 12,434.52 is: 18,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.22 : 29,161.20 = 12,434.52 : x
  2. Step 2: Convert to fraction form
    19,457.22/29,161.20 = 12,434.52/x
  3. Step 3: Cross multiply
    19,457.22x = 29,161.20 × 12,434.52
  4. Step 4: Simplify right side
    19,457.22x = 362,605,524.62
  5. Step 5: Solve for x
    x = 362,605,524.62/19,457.22
  6. Step 6: Final answer
    x = 18,636.04

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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.