Home / 20,250.22-27,944.40-14,943.10

Finding the Fourth Proportional to 20,250.22, 27,944.40 and 14,943.10

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Solution

The fourth proportional to 20,250.22, 27,944.40 and 14,943.10 is: 20,620.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.22 : 27,944.40 = 14,943.10 : x
  2. Step 2: Convert to fraction form
    20,250.22/27,944.40 = 14,943.10/x
  3. Step 3: Cross multiply
    20,250.22x = 27,944.40 × 14,943.10
  4. Step 4: Simplify right side
    20,250.22x = 417,575,963.64
  5. Step 5: Solve for x
    x = 417,575,963.64/20,250.22
  6. Step 6: Final answer
    x = 20,620.81

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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.