Home / 18,634.94-25,715.80-10,681.85

Finding the Fourth Proportional to 18,634.94, 25,715.80 and 10,681.85

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Solution

The fourth proportional to 18,634.94, 25,715.80 and 10,681.85 is: 14,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.94 : 25,715.80 = 10,681.85 : x
  2. Step 2: Convert to fraction form
    18,634.94/25,715.80 = 10,681.85/x
  3. Step 3: Cross multiply
    18,634.94x = 25,715.80 × 10,681.85
  4. Step 4: Simplify right side
    18,634.94x = 274,692,318.23
  5. Step 5: Solve for x
    x = 274,692,318.23/18,634.94
  6. Step 6: Final answer
    x = 14,740.71

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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.