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Finding the Fourth Proportional to 18,584.99, 25,639.99 and 10,622.95

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Solution

The fourth proportional to 18,584.99, 25,639.99 and 10,622.95 is: 14,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.99 : 25,639.99 = 10,622.95 : x
  2. Step 2: Convert to fraction form
    18,584.99/25,639.99 = 10,622.95/x
  3. Step 3: Cross multiply
    18,584.99x = 25,639.99 × 10,622.95
  4. Step 4: Simplify right side
    18,584.99x = 272,372,300.87
  5. Step 5: Solve for x
    x = 272,372,300.87/18,584.99
  6. Step 6: Final answer
    x = 14,655.50

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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.