Home / 25,618.30-38,424.21-8,089.90

Finding the Fourth Proportional to 25,618.30, 38,424.21 and 8,089.90

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Solution

The fourth proportional to 25,618.30, 38,424.21 and 8,089.90 is: 12,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.30 : 38,424.21 = 8,089.90 : x
  2. Step 2: Convert to fraction form
    25,618.30/38,424.21 = 8,089.90/x
  3. Step 3: Cross multiply
    25,618.30x = 38,424.21 × 8,089.90
  4. Step 4: Simplify right side
    25,618.30x = 310,848,016.48
  5. Step 5: Solve for x
    x = 310,848,016.48/25,618.30
  6. Step 6: Final answer
    x = 12,133.83

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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.