Home / 19,987.83-27,584.54-11,492.75

Finding the Fourth Proportional to 19,987.83, 27,584.54 and 11,492.75

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Solution

The fourth proportional to 19,987.83, 27,584.54 and 11,492.75 is: 15,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.83 : 27,584.54 = 11,492.75 : x
  2. Step 2: Convert to fraction form
    19,987.83/27,584.54 = 11,492.75/x
  3. Step 3: Cross multiply
    19,987.83x = 27,584.54 × 11,492.75
  4. Step 4: Simplify right side
    19,987.83x = 317,022,222.09
  5. Step 5: Solve for x
    x = 317,022,222.09/19,987.83
  6. Step 6: Final answer
    x = 15,860.76

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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.