Home / 25,518.24-38,260.74-8,877

Finding the Fourth Proportional to 25,518.24, 38,260.74 and 8,877

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Solution

The fourth proportional to 25,518.24, 38,260.74 and 8,877 is: 13,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.24 : 38,260.74 = 8,877 : x
  2. Step 2: Convert to fraction form
    25,518.24/38,260.74 = 8,877/x
  3. Step 3: Cross multiply
    25,518.24x = 38,260.74 × 8,877
  4. Step 4: Simplify right side
    25,518.24x = 339,640,588.98
  5. Step 5: Solve for x
    x = 339,640,588.98/25,518.24
  6. Step 6: Final answer
    x = 13,309.72

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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.