Home / 20,023.17-27,627.39-11,955.26

Finding the Fourth Proportional to 20,023.17, 27,627.39 and 11,955.26

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Solution

The fourth proportional to 20,023.17, 27,627.39 and 11,955.26 is: 16,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.17 : 27,627.39 = 11,955.26 : x
  2. Step 2: Convert to fraction form
    20,023.17/27,627.39 = 11,955.26/x
  3. Step 3: Cross multiply
    20,023.17x = 27,627.39 × 11,955.26
  4. Step 4: Simplify right side
    20,023.17x = 330,292,492.43
  5. Step 5: Solve for x
    x = 330,292,492.43/20,023.17
  6. Step 6: Final answer
    x = 16,495.51

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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.