Home / 16,820.34-23,212.62-9,266.96

Finding the Fourth Proportional to 16,820.34, 23,212.62 and 9,266.96

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Solution

The fourth proportional to 16,820.34, 23,212.62 and 9,266.96 is: 12,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.34 : 23,212.62 = 9,266.96 : x
  2. Step 2: Convert to fraction form
    16,820.34/23,212.62 = 9,266.96/x
  3. Step 3: Cross multiply
    16,820.34x = 23,212.62 × 9,266.96
  4. Step 4: Simplify right side
    16,820.34x = 215,110,304.97
  5. Step 5: Solve for x
    x = 215,110,304.97/16,820.34
  6. Step 6: Final answer
    x = 12,788.70

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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.