Home / 18,195.83-25,109.96-10,238.08

Finding the Fourth Proportional to 18,195.83, 25,109.96 and 10,238.08

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Solution

The fourth proportional to 18,195.83, 25,109.96 and 10,238.08 is: 14,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.83 : 25,109.96 = 10,238.08 : x
  2. Step 2: Convert to fraction form
    18,195.83/25,109.96 = 10,238.08/x
  3. Step 3: Cross multiply
    18,195.83x = 25,109.96 × 10,238.08
  4. Step 4: Simplify right side
    18,195.83x = 257,077,742.10
  5. Step 5: Solve for x
    x = 257,077,742.10/18,195.83
  6. Step 6: Final answer
    x = 14,128.39

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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.