Home / 19,930.20-27,522.60-17,081.16

Finding the Fourth Proportional to 19,930.20, 27,522.60 and 17,081.16

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Solution

The fourth proportional to 19,930.20, 27,522.60 and 17,081.16 is: 23,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.20 : 27,522.60 = 17,081.16 : x
  2. Step 2: Convert to fraction form
    19,930.20/27,522.60 = 17,081.16/x
  3. Step 3: Cross multiply
    19,930.20x = 27,522.60 × 17,081.16
  4. Step 4: Simplify right side
    19,930.20x = 470,117,934.22
  5. Step 5: Solve for x
    x = 470,117,934.22/19,930.20
  6. Step 6: Final answer
    x = 23,588.22

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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.