Home / 29,447.45-40,638.55-16,874.63

Finding the Fourth Proportional to 29,447.45, 40,638.55 and 16,874.63

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Solution

The fourth proportional to 29,447.45, 40,638.55 and 16,874.63 is: 23,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,447.45 : 40,638.55 = 16,874.63 : x
  2. Step 2: Convert to fraction form
    29,447.45/40,638.55 = 16,874.63/x
  3. Step 3: Cross multiply
    29,447.45x = 40,638.55 × 16,874.63
  4. Step 4: Simplify right side
    29,447.45x = 685,760,494.99
  5. Step 5: Solve for x
    x = 685,760,494.99/29,447.45
  6. Step 6: Final answer
    x = 23,287.60

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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.