Home / 19,160.53-28,691.59-11,742.50

Finding the Fourth Proportional to 19,160.53, 28,691.59 and 11,742.50

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Solution

The fourth proportional to 19,160.53, 28,691.59 and 11,742.50 is: 17,583.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.53 : 28,691.59 = 11,742.50 : x
  2. Step 2: Convert to fraction form
    19,160.53/28,691.59 = 11,742.50/x
  3. Step 3: Cross multiply
    19,160.53x = 28,691.59 × 11,742.50
  4. Step 4: Simplify right side
    19,160.53x = 336,910,966.22
  5. Step 5: Solve for x
    x = 336,910,966.22/19,160.53
  6. Step 6: Final answer
    x = 17,583.59

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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.