Home / 18,504.36-25,536.04-10,120.88

Finding the Fourth Proportional to 18,504.36, 25,536.04 and 10,120.88

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Solution

The fourth proportional to 18,504.36, 25,536.04 and 10,120.88 is: 13,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.36 : 25,536.04 = 10,120.88 : x
  2. Step 2: Convert to fraction form
    18,504.36/25,536.04 = 10,120.88/x
  3. Step 3: Cross multiply
    18,504.36x = 25,536.04 × 10,120.88
  4. Step 4: Simplify right side
    18,504.36x = 258,447,196.52
  5. Step 5: Solve for x
    x = 258,447,196.52/18,504.36
  6. Step 6: Final answer
    x = 13,966.83

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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.