Home / 23,842.89-32,786.52-20,693.61

Finding the Fourth Proportional to 23,842.89, 32,786.52 and 20,693.61

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Solution

The fourth proportional to 23,842.89, 32,786.52 and 20,693.61 is: 28,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,842.89 : 32,786.52 = 20,693.61 : x
  2. Step 2: Convert to fraction form
    23,842.89/32,786.52 = 20,693.61/x
  3. Step 3: Cross multiply
    23,842.89x = 32,786.52 × 20,693.61
  4. Step 4: Simplify right side
    23,842.89x = 678,471,458.14
  5. Step 5: Solve for x
    x = 678,471,458.14/23,842.89
  6. Step 6: Final answer
    x = 28,455.92

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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.