Home / 19,984.79-27,575.84-11,485.26

Finding the Fourth Proportional to 19,984.79, 27,575.84 and 11,485.26

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Solution

The fourth proportional to 19,984.79, 27,575.84 and 11,485.26 is: 15,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.79 : 27,575.84 = 11,485.26 : x
  2. Step 2: Convert to fraction form
    19,984.79/27,575.84 = 11,485.26/x
  3. Step 3: Cross multiply
    19,984.79x = 27,575.84 × 11,485.26
  4. Step 4: Simplify right side
    19,984.79x = 316,715,720.83
  5. Step 5: Solve for x
    x = 316,715,720.83/19,984.79
  6. Step 6: Final answer
    x = 15,847.84

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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.