Home / 25,486.28-38,199.98-9,890.68

Finding the Fourth Proportional to 25,486.28, 38,199.98 and 9,890.68

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Solution

The fourth proportional to 25,486.28, 38,199.98 and 9,890.68 is: 14,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.28 : 38,199.98 = 9,890.68 : x
  2. Step 2: Convert to fraction form
    25,486.28/38,199.98 = 9,890.68/x
  3. Step 3: Cross multiply
    25,486.28x = 38,199.98 × 9,890.68
  4. Step 4: Simplify right side
    25,486.28x = 377,823,778.19
  5. Step 5: Solve for x
    x = 377,823,778.19/25,486.28
  6. Step 6: Final answer
    x = 14,824.59

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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.