Home / 25,581.96-38,376.60-8,047.70

Finding the Fourth Proportional to 25,581.96, 38,376.60 and 8,047.70

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Solution

The fourth proportional to 25,581.96, 38,376.60 and 8,047.70 is: 12,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,581.96 : 38,376.60 = 8,047.70 : x
  2. Step 2: Convert to fraction form
    25,581.96/38,376.60 = 8,047.70/x
  3. Step 3: Cross multiply
    25,581.96x = 38,376.60 × 8,047.70
  4. Step 4: Simplify right side
    25,581.96x = 308,843,363.82
  5. Step 5: Solve for x
    x = 308,843,363.82/25,581.96
  6. Step 6: Final answer
    x = 12,072.70

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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.