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Finding the Fourth Proportional to 18,797.95, 25,941.15 and 10,300.60

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Solution

The fourth proportional to 18,797.95, 25,941.15 and 10,300.60 is: 14,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797.95 : 25,941.15 = 10,300.60 : x
  2. Step 2: Convert to fraction form
    18,797.95/25,941.15 = 10,300.60/x
  3. Step 3: Cross multiply
    18,797.95x = 25,941.15 × 10,300.60
  4. Step 4: Simplify right side
    18,797.95x = 267,209,409.69
  5. Step 5: Solve for x
    x = 267,209,409.69/18,797.95
  6. Step 6: Final answer
    x = 14,214.82

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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.