Home / 14,568.02-20,103.68-8,279.98

Finding the Fourth Proportional to 14,568.02, 20,103.68 and 8,279.98

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Solution

The fourth proportional to 14,568.02, 20,103.68 and 8,279.98 is: 11,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.02 : 20,103.68 = 8,279.98 : x
  2. Step 2: Convert to fraction form
    14,568.02/20,103.68 = 8,279.98/x
  3. Step 3: Cross multiply
    14,568.02x = 20,103.68 × 8,279.98
  4. Step 4: Simplify right side
    14,568.02x = 166,458,068.33
  5. Step 5: Solve for x
    x = 166,458,068.33/14,568.02
  6. Step 6: Final answer
    x = 11,426.27

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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.