Home / 19,975.21-29,954.04-10,613.03

Finding the Fourth Proportional to 19,975.21, 29,954.04 and 10,613.03

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Solution

The fourth proportional to 19,975.21, 29,954.04 and 10,613.03 is: 15,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.21 : 29,954.04 = 10,613.03 : x
  2. Step 2: Convert to fraction form
    19,975.21/29,954.04 = 10,613.03/x
  3. Step 3: Cross multiply
    19,975.21x = 29,954.04 × 10,613.03
  4. Step 4: Simplify right side
    19,975.21x = 317,902,935.57
  5. Step 5: Solve for x
    x = 317,902,935.57/19,975.21
  6. Step 6: Final answer
    x = 15,914.88

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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.