Home / 25,178.98-37,766.28-11,848.81

Finding the Fourth Proportional to 25,178.98, 37,766.28 and 11,848.81

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Solution

The fourth proportional to 25,178.98, 37,766.28 and 11,848.81 is: 17,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,178.98 : 37,766.28 = 11,848.81 : x
  2. Step 2: Convert to fraction form
    25,178.98/37,766.28 = 11,848.81/x
  3. Step 3: Cross multiply
    25,178.98x = 37,766.28 × 11,848.81
  4. Step 4: Simplify right side
    25,178.98x = 447,485,476.13
  5. Step 5: Solve for x
    x = 447,485,476.13/25,178.98
  6. Step 6: Final answer
    x = 17,772.18

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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.