Home / 18,540.06-25,585.92-10,156.56

Finding the Fourth Proportional to 18,540.06, 25,585.92 and 10,156.56

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Solution

The fourth proportional to 18,540.06, 25,585.92 and 10,156.56 is: 14,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.06 : 25,585.92 = 10,156.56 : x
  2. Step 2: Convert to fraction form
    18,540.06/25,585.92 = 10,156.56/x
  3. Step 3: Cross multiply
    18,540.06x = 25,585.92 × 10,156.56
  4. Step 4: Simplify right side
    18,540.06x = 259,864,931.64
  5. Step 5: Solve for x
    x = 259,864,931.64/18,540.06
  6. Step 6: Final answer
    x = 14,016.40

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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.