Home / 25,625.14-38,436.18-9,837.72

Finding the Fourth Proportional to 25,625.14, 38,436.18 and 9,837.72

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Solution

The fourth proportional to 25,625.14, 38,436.18 and 9,837.72 is: 14,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625.14 : 38,436.18 = 9,837.72 : x
  2. Step 2: Convert to fraction form
    25,625.14/38,436.18 = 9,837.72/x
  3. Step 3: Cross multiply
    25,625.14x = 38,436.18 × 9,837.72
  4. Step 4: Simplify right side
    25,625.14x = 378,124,376.71
  5. Step 5: Solve for x
    x = 378,124,376.71/25,625.14
  6. Step 6: Final answer
    x = 14,755.99

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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.