Home / 14,884.52-20,539.80-8,170.04

Finding the Fourth Proportional to 14,884.52, 20,539.80 and 8,170.04

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Solution

The fourth proportional to 14,884.52, 20,539.80 and 8,170.04 is: 11,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,884.52 : 20,539.80 = 8,170.04 : x
  2. Step 2: Convert to fraction form
    14,884.52/20,539.80 = 8,170.04/x
  3. Step 3: Cross multiply
    14,884.52x = 20,539.80 × 8,170.04
  4. Step 4: Simplify right side
    14,884.52x = 167,810,987.59
  5. Step 5: Solve for x
    x = 167,810,987.59/14,884.52
  6. Step 6: Final answer
    x = 11,274.20

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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.