Home / 16,279.56-24,418.10-5,186.60

Finding the Fourth Proportional to 16,279.56, 24,418.10 and 5,186.60

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Solution

The fourth proportional to 16,279.56, 24,418.10 and 5,186.60 is: 7,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.56 : 24,418.10 = 5,186.60 : x
  2. Step 2: Convert to fraction form
    16,279.56/24,418.10 = 5,186.60/x
  3. Step 3: Cross multiply
    16,279.56x = 24,418.10 × 5,186.60
  4. Step 4: Simplify right side
    16,279.56x = 126,646,917.46
  5. Step 5: Solve for x
    x = 126,646,917.46/16,279.56
  6. Step 6: Final answer
    x = 7,779.50

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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.