Home / 27,140.13-40,710.74-17,839.44

Finding the Fourth Proportional to 27,140.13, 40,710.74 and 17,839.44

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Solution

The fourth proportional to 27,140.13, 40,710.74 and 17,839.44 is: 26,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.13 : 40,710.74 = 17,839.44 : x
  2. Step 2: Convert to fraction form
    27,140.13/40,710.74 = 17,839.44/x
  3. Step 3: Cross multiply
    27,140.13x = 40,710.74 × 17,839.44
  4. Step 4: Simplify right side
    27,140.13x = 726,256,714.39
  5. Step 5: Solve for x
    x = 726,256,714.39/27,140.13
  6. Step 6: Final answer
    x = 26,759.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.