Home / 19,759.10-27,264.86-11,799.62

Finding the Fourth Proportional to 19,759.10, 27,264.86 and 11,799.62

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Solution

The fourth proportional to 19,759.10, 27,264.86 and 11,799.62 is: 16,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.10 : 27,264.86 = 11,799.62 : x
  2. Step 2: Convert to fraction form
    19,759.10/27,264.86 = 11,799.62/x
  3. Step 3: Cross multiply
    19,759.10x = 27,264.86 × 11,799.62
  4. Step 4: Simplify right side
    19,759.10x = 321,714,987.35
  5. Step 5: Solve for x
    x = 321,714,987.35/19,759.10
  6. Step 6: Final answer
    x = 16,281.86

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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.