Home / 18,084.95-24,956.54-10,126.78

Finding the Fourth Proportional to 18,084.95, 24,956.54 and 10,126.78

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Solution

The fourth proportional to 18,084.95, 24,956.54 and 10,126.78 is: 13,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.95 : 24,956.54 = 10,126.78 : x
  2. Step 2: Convert to fraction form
    18,084.95/24,956.54 = 10,126.78/x
  3. Step 3: Cross multiply
    18,084.95x = 24,956.54 × 10,126.78
  4. Step 4: Simplify right side
    18,084.95x = 252,729,390.14
  5. Step 5: Solve for x
    x = 252,729,390.14/18,084.95
  6. Step 6: Final answer
    x = 13,974.57

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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.