Home / 25,382.13-38,072.01-6,661.74

Finding the Fourth Proportional to 25,382.13, 38,072.01 and 6,661.74

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Solution

The fourth proportional to 25,382.13, 38,072.01 and 6,661.74 is: 9,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.13 : 38,072.01 = 6,661.74 : x
  2. Step 2: Convert to fraction form
    25,382.13/38,072.01 = 6,661.74/x
  3. Step 3: Cross multiply
    25,382.13x = 38,072.01 × 6,661.74
  4. Step 4: Simplify right side
    25,382.13x = 253,625,962.18
  5. Step 5: Solve for x
    x = 253,625,962.18/25,382.13
  6. Step 6: Final answer
    x = 9,992.31

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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.