Home / 23,002.45-31,742.57-12,793.43

Finding the Fourth Proportional to 23,002.45, 31,742.57 and 12,793.43

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Solution

The fourth proportional to 23,002.45, 31,742.57 and 12,793.43 is: 17,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,002.45 : 31,742.57 = 12,793.43 : x
  2. Step 2: Convert to fraction form
    23,002.45/31,742.57 = 12,793.43/x
  3. Step 3: Cross multiply
    23,002.45x = 31,742.57 × 12,793.43
  4. Step 4: Simplify right side
    23,002.45x = 406,096,347.32
  5. Step 5: Solve for x
    x = 406,096,347.32/23,002.45
  6. Step 6: Final answer
    x = 17,654.48

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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.