Home / 25,605.32-38,381.60-9,806.05

Finding the Fourth Proportional to 25,605.32, 38,381.60 and 9,806.05

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Solution

The fourth proportional to 25,605.32, 38,381.60 and 9,806.05 is: 14,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.32 : 38,381.60 = 9,806.05 : x
  2. Step 2: Convert to fraction form
    25,605.32/38,381.60 = 9,806.05/x
  3. Step 3: Cross multiply
    25,605.32x = 38,381.60 × 9,806.05
  4. Step 4: Simplify right side
    25,605.32x = 376,371,817.24
  5. Step 5: Solve for x
    x = 376,371,817.24/25,605.32
  6. Step 6: Final answer
    x = 14,698.97

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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.