Home / 27,354.44-37,712.57-20,519.40

Finding the Fourth Proportional to 27,354.44, 37,712.57 and 20,519.40

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Solution

The fourth proportional to 27,354.44, 37,712.57 and 20,519.40 is: 28,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.44 : 37,712.57 = 20,519.40 : x
  2. Step 2: Convert to fraction form
    27,354.44/37,712.57 = 20,519.40/x
  3. Step 3: Cross multiply
    27,354.44x = 37,712.57 × 20,519.40
  4. Step 4: Simplify right side
    27,354.44x = 773,839,347.68
  5. Step 5: Solve for x
    x = 773,839,347.68/27,354.44
  6. Step 6: Final answer
    x = 28,289.35

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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.