Home / 15,068.21-20,793.29-8,353.44

Finding the Fourth Proportional to 15,068.21, 20,793.29 and 8,353.44

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Solution

The fourth proportional to 15,068.21, 20,793.29 and 8,353.44 is: 11,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.21 : 20,793.29 = 8,353.44 : x
  2. Step 2: Convert to fraction form
    15,068.21/20,793.29 = 8,353.44/x
  3. Step 3: Cross multiply
    15,068.21x = 20,793.29 × 8,353.44
  4. Step 4: Simplify right side
    15,068.21x = 173,695,521.30
  5. Step 5: Solve for x
    x = 173,695,521.30/15,068.21
  6. Step 6: Final answer
    x = 11,527.29

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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.