Home / 17,631.12-26,426.52-7,230

Finding the Fourth Proportional to 17,631.12, 26,426.52 and 7,230

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Solution

The fourth proportional to 17,631.12, 26,426.52 and 7,230 is: 10,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.12 : 26,426.52 = 7,230 : x
  2. Step 2: Convert to fraction form
    17,631.12/26,426.52 = 7,230/x
  3. Step 3: Cross multiply
    17,631.12x = 26,426.52 × 7,230
  4. Step 4: Simplify right side
    17,631.12x = 191,063,739.60
  5. Step 5: Solve for x
    x = 191,063,739.60/17,631.12
  6. Step 6: Final answer
    x = 10,836.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.