Home / 25,483.78-38,193.33-14,396.70

Finding the Fourth Proportional to 25,483.78, 38,193.33 and 14,396.70

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Solution

The fourth proportional to 25,483.78, 38,193.33 and 14,396.70 is: 21,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,483.78 : 38,193.33 = 14,396.70 : x
  2. Step 2: Convert to fraction form
    25,483.78/38,193.33 = 14,396.70/x
  3. Step 3: Cross multiply
    25,483.78x = 38,193.33 × 14,396.70
  4. Step 4: Simplify right side
    25,483.78x = 549,857,914.01
  5. Step 5: Solve for x
    x = 549,857,914.01/25,483.78
  6. Step 6: Final answer
    x = 21,576.78

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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.