Home / 25,895.95-38,845.56-8,127.31

Finding the Fourth Proportional to 25,895.95, 38,845.56 and 8,127.31

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Solution

The fourth proportional to 25,895.95, 38,845.56 and 8,127.31 is: 12,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,895.95 : 38,845.56 = 8,127.31 : x
  2. Step 2: Convert to fraction form
    25,895.95/38,845.56 = 8,127.31/x
  3. Step 3: Cross multiply
    25,895.95x = 38,845.56 × 8,127.31
  4. Step 4: Simplify right side
    25,895.95x = 315,709,908.24
  5. Step 5: Solve for x
    x = 315,709,908.24/25,895.95
  6. Step 6: Final answer
    x = 12,191.48

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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.