Home / 20,483.10-28,207.17-17,793.09

Finding the Fourth Proportional to 20,483.10, 28,207.17 and 17,793.09

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Solution

The fourth proportional to 20,483.10, 28,207.17 and 17,793.09 is: 24,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483.10 : 28,207.17 = 17,793.09 : x
  2. Step 2: Convert to fraction form
    20,483.10/28,207.17 = 17,793.09/x
  3. Step 3: Cross multiply
    20,483.10x = 28,207.17 × 17,793.09
  4. Step 4: Simplify right side
    20,483.10x = 501,892,714.46
  5. Step 5: Solve for x
    x = 501,892,714.46/20,483.10
  6. Step 6: Final answer
    x = 24,502.77

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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.