Home / 13,715.73-20,588.18-8,525.25

Finding the Fourth Proportional to 13,715.73, 20,588.18 and 8,525.25

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Solution

The fourth proportional to 13,715.73, 20,588.18 and 8,525.25 is: 12,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.73 : 20,588.18 = 8,525.25 : x
  2. Step 2: Convert to fraction form
    13,715.73/20,588.18 = 8,525.25/x
  3. Step 3: Cross multiply
    13,715.73x = 20,588.18 × 8,525.25
  4. Step 4: Simplify right side
    13,715.73x = 175,519,338.92
  5. Step 5: Solve for x
    x = 175,519,338.92/13,715.73
  6. Step 6: Final answer
    x = 12,796.94

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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.