Home / 18,654.66-25,742.93-10,156.95

Finding the Fourth Proportional to 18,654.66, 25,742.93 and 10,156.95

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Solution

The fourth proportional to 18,654.66, 25,742.93 and 10,156.95 is: 14,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.66 : 25,742.93 = 10,156.95 : x
  2. Step 2: Convert to fraction form
    18,654.66/25,742.93 = 10,156.95/x
  3. Step 3: Cross multiply
    18,654.66x = 25,742.93 × 10,156.95
  4. Step 4: Simplify right side
    18,654.66x = 261,469,602.08
  5. Step 5: Solve for x
    x = 261,469,602.08/18,654.66
  6. Step 6: Final answer
    x = 14,016.32

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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.