Home / 25,376.36-38,042.66-12,237.95

Finding the Fourth Proportional to 25,376.36, 38,042.66 and 12,237.95

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Solution

The fourth proportional to 25,376.36, 38,042.66 and 12,237.95 is: 18,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,376.36 : 38,042.66 = 12,237.95 : x
  2. Step 2: Convert to fraction form
    25,376.36/38,042.66 = 12,237.95/x
  3. Step 3: Cross multiply
    25,376.36x = 38,042.66 × 12,237.95
  4. Step 4: Simplify right side
    25,376.36x = 465,564,296.65
  5. Step 5: Solve for x
    x = 465,564,296.65/25,376.36
  6. Step 6: Final answer
    x = 18,346.38

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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.