Home / 18,322.55-27,484.63-5,175.95

Finding the Fourth Proportional to 18,322.55, 27,484.63 and 5,175.95

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Solution

The fourth proportional to 18,322.55, 27,484.63 and 5,175.95 is: 7,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.55 : 27,484.63 = 5,175.95 : x
  2. Step 2: Convert to fraction form
    18,322.55/27,484.63 = 5,175.95/x
  3. Step 3: Cross multiply
    18,322.55x = 27,484.63 × 5,175.95
  4. Step 4: Simplify right side
    18,322.55x = 142,258,920.29
  5. Step 5: Solve for x
    x = 142,258,920.29/18,322.55
  6. Step 6: Final answer
    x = 7,764.15

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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.