Home / 20,175.16-27,841.98-11,223.44

Finding the Fourth Proportional to 20,175.16, 27,841.98 and 11,223.44

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Solution

The fourth proportional to 20,175.16, 27,841.98 and 11,223.44 is: 15,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.16 : 27,841.98 = 11,223.44 : x
  2. Step 2: Convert to fraction form
    20,175.16/27,841.98 = 11,223.44/x
  3. Step 3: Cross multiply
    20,175.16x = 27,841.98 × 11,223.44
  4. Step 4: Simplify right side
    20,175.16x = 312,482,792.01
  5. Step 5: Solve for x
    x = 312,482,792.01/20,175.16
  6. Step 6: Final answer
    x = 15,488.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.