Home / 18,161.01-25,025.36-13,116.33

Finding the Fourth Proportional to 18,161.01, 25,025.36 and 13,116.33

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Solution

The fourth proportional to 18,161.01, 25,025.36 and 13,116.33 is: 18,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.01 : 25,025.36 = 13,116.33 : x
  2. Step 2: Convert to fraction form
    18,161.01/25,025.36 = 13,116.33/x
  3. Step 3: Cross multiply
    18,161.01x = 25,025.36 × 13,116.33
  4. Step 4: Simplify right side
    18,161.01x = 328,240,814.55
  5. Step 5: Solve for x
    x = 328,240,814.55/18,161.01
  6. Step 6: Final answer
    x = 18,073.93

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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.