Home / 14,798.05-20,421.83-8,084.09

Finding the Fourth Proportional to 14,798.05, 20,421.83 and 8,084.09

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Solution

The fourth proportional to 14,798.05, 20,421.83 and 8,084.09 is: 11,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.05 : 20,421.83 = 8,084.09 : x
  2. Step 2: Convert to fraction form
    14,798.05/20,421.83 = 8,084.09/x
  3. Step 3: Cross multiply
    14,798.05x = 20,421.83 × 8,084.09
  4. Step 4: Simplify right side
    14,798.05x = 165,091,982.95
  5. Step 5: Solve for x
    x = 165,091,982.95/14,798.05
  6. Step 6: Final answer
    x = 11,156.34

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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.