Home / 18,161.27-25,063.32-10,203.50

Finding the Fourth Proportional to 18,161.27, 25,063.32 and 10,203.50

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Solution

The fourth proportional to 18,161.27, 25,063.32 and 10,203.50 is: 14,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.27 : 25,063.32 = 10,203.50 : x
  2. Step 2: Convert to fraction form
    18,161.27/25,063.32 = 10,203.50/x
  3. Step 3: Cross multiply
    18,161.27x = 25,063.32 × 10,203.50
  4. Step 4: Simplify right side
    18,161.27x = 255,733,648.28
  5. Step 5: Solve for x
    x = 255,733,648.28/18,161.27
  6. Step 6: Final answer
    x = 14,081.27

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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.