Home / 19,090.04-28,611.52-13,843.06

Finding the Fourth Proportional to 19,090.04, 28,611.52 and 13,843.06

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Solution

The fourth proportional to 19,090.04, 28,611.52 and 13,843.06 is: 20,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.04 : 28,611.52 = 13,843.06 : x
  2. Step 2: Convert to fraction form
    19,090.04/28,611.52 = 13,843.06/x
  3. Step 3: Cross multiply
    19,090.04x = 28,611.52 × 13,843.06
  4. Step 4: Simplify right side
    19,090.04x = 396,070,881.91
  5. Step 5: Solve for x
    x = 396,070,881.91/19,090.04
  6. Step 6: Final answer
    x = 20,747.52

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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.