Home / 25,488.94-38,256.76-13,656.07

Finding the Fourth Proportional to 25,488.94, 38,256.76 and 13,656.07

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Solution

The fourth proportional to 25,488.94, 38,256.76 and 13,656.07 is: 20,496.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488.94 : 38,256.76 = 13,656.07 : x
  2. Step 2: Convert to fraction form
    25,488.94/38,256.76 = 13,656.07/x
  3. Step 3: Cross multiply
    25,488.94x = 38,256.76 × 13,656.07
  4. Step 4: Simplify right side
    25,488.94x = 522,436,992.53
  5. Step 5: Solve for x
    x = 522,436,992.53/25,488.94
  6. Step 6: Final answer
    x = 20,496.62

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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.