Home / 18,175.42-27,263.40-11,975.14

Finding the Fourth Proportional to 18,175.42, 27,263.40 and 11,975.14

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Solution

The fourth proportional to 18,175.42, 27,263.40 and 11,975.14 is: 17,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.42 : 27,263.40 = 11,975.14 : x
  2. Step 2: Convert to fraction form
    18,175.42/27,263.40 = 11,975.14/x
  3. Step 3: Cross multiply
    18,175.42x = 27,263.40 × 11,975.14
  4. Step 4: Simplify right side
    18,175.42x = 326,483,031.88
  5. Step 5: Solve for x
    x = 326,483,031.88/18,175.42
  6. Step 6: Final answer
    x = 17,962.89

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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.