Home / 25,947.99-38,926.85-8,415.54

Finding the Fourth Proportional to 25,947.99, 38,926.85 and 8,415.54

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Solution

The fourth proportional to 25,947.99, 38,926.85 and 8,415.54 is: 12,624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.99 : 38,926.85 = 8,415.54 : x
  2. Step 2: Convert to fraction form
    25,947.99/38,926.85 = 8,415.54/x
  3. Step 3: Cross multiply
    25,947.99x = 38,926.85 × 8,415.54
  4. Step 4: Simplify right side
    25,947.99x = 327,590,421.17
  5. Step 5: Solve for x
    x = 327,590,421.17/25,947.99
  6. Step 6: Final answer
    x = 12,624.89

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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.