Home / 18,195.41-25,109.10-10,238.06

Finding the Fourth Proportional to 18,195.41, 25,109.10 and 10,238.06

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Solution

The fourth proportional to 18,195.41, 25,109.10 and 10,238.06 is: 14,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.41 : 25,109.10 = 10,238.06 : x
  2. Step 2: Convert to fraction form
    18,195.41/25,109.10 = 10,238.06/x
  3. Step 3: Cross multiply
    18,195.41x = 25,109.10 × 10,238.06
  4. Step 4: Simplify right side
    18,195.41x = 257,068,535.12
  5. Step 5: Solve for x
    x = 257,068,535.12/18,195.41
  6. Step 6: Final answer
    x = 14,128.21

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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.