Home / 14,891.07-20,549.68-8,176.70

Finding the Fourth Proportional to 14,891.07, 20,549.68 and 8,176.70

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Solution

The fourth proportional to 14,891.07, 20,549.68 and 8,176.70 is: 11,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.07 : 20,549.68 = 8,176.70 : x
  2. Step 2: Convert to fraction form
    14,891.07/20,549.68 = 8,176.70/x
  3. Step 3: Cross multiply
    14,891.07x = 20,549.68 × 8,176.70
  4. Step 4: Simplify right side
    14,891.07x = 168,028,630.05
  5. Step 5: Solve for x
    x = 168,028,630.05/14,891.07
  6. Step 6: Final answer
    x = 11,283.85

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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.