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Finding the Fourth Proportional to 13,595.94, 20,361.69 and 10,775.70

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Solution

The fourth proportional to 13,595.94, 20,361.69 and 10,775.70 is: 16,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.94 : 20,361.69 = 10,775.70 : x
  2. Step 2: Convert to fraction form
    13,595.94/20,361.69 = 10,775.70/x
  3. Step 3: Cross multiply
    13,595.94x = 20,361.69 × 10,775.70
  4. Step 4: Simplify right side
    13,595.94x = 219,411,462.93
  5. Step 5: Solve for x
    x = 219,411,462.93/13,595.94
  6. Step 6: Final answer
    x = 16,138.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.