Home / 25,693.85-38,540.21-11,842.85

Finding the Fourth Proportional to 25,693.85, 38,540.21 and 11,842.85

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Solution

The fourth proportional to 25,693.85, 38,540.21 and 11,842.85 is: 17,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.85 : 38,540.21 = 11,842.85 : x
  2. Step 2: Convert to fraction form
    25,693.85/38,540.21 = 11,842.85/x
  3. Step 3: Cross multiply
    25,693.85x = 38,540.21 × 11,842.85
  4. Step 4: Simplify right side
    25,693.85x = 456,425,674.08
  5. Step 5: Solve for x
    x = 456,425,674.08/25,693.85
  6. Step 6: Final answer
    x = 17,764.01

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1.5x scale

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.