Home / 28,267.74-42,402.87-9,546.12

Finding the Fourth Proportional to 28,267.74, 42,402.87 and 9,546.12

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Solution

The fourth proportional to 28,267.74, 42,402.87 and 9,546.12 is: 14,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.74 : 42,402.87 = 9,546.12 : x
  2. Step 2: Convert to fraction form
    28,267.74/42,402.87 = 9,546.12/x
  3. Step 3: Cross multiply
    28,267.74x = 42,402.87 × 9,546.12
  4. Step 4: Simplify right side
    28,267.74x = 404,782,885.36
  5. Step 5: Solve for x
    x = 404,782,885.36/28,267.74
  6. Step 6: Final answer
    x = 14,319.61

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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.