Home / 18,695.72-25,783.83-16,177.02

Finding the Fourth Proportional to 18,695.72, 25,783.83 and 16,177.02

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Solution

The fourth proportional to 18,695.72, 25,783.83 and 16,177.02 is: 22,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.72 : 25,783.83 = 16,177.02 : x
  2. Step 2: Convert to fraction form
    18,695.72/25,783.83 = 16,177.02/x
  3. Step 3: Cross multiply
    18,695.72x = 25,783.83 × 16,177.02
  4. Step 4: Simplify right side
    18,695.72x = 417,105,533.59
  5. Step 5: Solve for x
    x = 417,105,533.59/18,695.72
  6. Step 6: Final answer
    x = 22,310.22

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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.