Home / 18,769.15-25,901.43-11,695.60

Finding the Fourth Proportional to 18,769.15, 25,901.43 and 11,695.60

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Solution

The fourth proportional to 18,769.15, 25,901.43 and 11,695.60 is: 16,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.15 : 25,901.43 = 11,695.60 : x
  2. Step 2: Convert to fraction form
    18,769.15/25,901.43 = 11,695.60/x
  3. Step 3: Cross multiply
    18,769.15x = 25,901.43 × 11,695.60
  4. Step 4: Simplify right side
    18,769.15x = 302,932,635.20
  5. Step 5: Solve for x
    x = 302,932,635.20/18,769.15
  6. Step 6: Final answer
    x = 16,139.93

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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.