Home / 18,161.32-25,059.90-10,202.02

Finding the Fourth Proportional to 18,161.32, 25,059.90 and 10,202.02

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Solution

The fourth proportional to 18,161.32, 25,059.90 and 10,202.02 is: 14,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.32 : 25,059.90 = 10,202.02 : x
  2. Step 2: Convert to fraction form
    18,161.32/25,059.90 = 10,202.02/x
  3. Step 3: Cross multiply
    18,161.32x = 25,059.90 × 10,202.02
  4. Step 4: Simplify right side
    18,161.32x = 255,661,601.00
  5. Step 5: Solve for x
    x = 255,661,601.00/18,161.32
  6. Step 6: Final answer
    x = 14,077.26

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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.