Home / 20,175.03-27,841.47-11,222.01

Finding the Fourth Proportional to 20,175.03, 27,841.47 and 11,222.01

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Solution

The fourth proportional to 20,175.03, 27,841.47 and 11,222.01 is: 15,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.03 : 27,841.47 = 11,222.01 : x
  2. Step 2: Convert to fraction form
    20,175.03/27,841.47 = 11,222.01/x
  3. Step 3: Cross multiply
    20,175.03x = 27,841.47 × 11,222.01
  4. Step 4: Simplify right side
    20,175.03x = 312,437,254.75
  5. Step 5: Solve for x
    x = 312,437,254.75/20,175.03
  6. Step 6: Final answer
    x = 15,486.33

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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.