Home / 19,175.16-28,758.42-7,482.36

Finding the Fourth Proportional to 19,175.16, 28,758.42 and 7,482.36

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Solution

The fourth proportional to 19,175.16, 28,758.42 and 7,482.36 is: 11,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.16 : 28,758.42 = 7,482.36 : x
  2. Step 2: Convert to fraction form
    19,175.16/28,758.42 = 7,482.36/x
  3. Step 3: Cross multiply
    19,175.16x = 28,758.42 × 7,482.36
  4. Step 4: Simplify right side
    19,175.16x = 215,180,851.47
  5. Step 5: Solve for x
    x = 215,180,851.47/19,175.16
  6. Step 6: Final answer
    x = 11,221.85

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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.