Home / 18,601.20-25,669.13-10,102.95

Finding the Fourth Proportional to 18,601.20, 25,669.13 and 10,102.95

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Solution

The fourth proportional to 18,601.20, 25,669.13 and 10,102.95 is: 13,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.20 : 25,669.13 = 10,102.95 : x
  2. Step 2: Convert to fraction form
    18,601.20/25,669.13 = 10,102.95/x
  3. Step 3: Cross multiply
    18,601.20x = 25,669.13 × 10,102.95
  4. Step 4: Simplify right side
    18,601.20x = 259,333,886.42
  5. Step 5: Solve for x
    x = 259,333,886.42/18,601.20
  6. Step 6: Final answer
    x = 13,941.78

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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.