Home / 13,772.99-20,651.09-5,871.08

Finding the Fourth Proportional to 13,772.99, 20,651.09 and 5,871.08

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Solution

The fourth proportional to 13,772.99, 20,651.09 and 5,871.08 is: 8,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.99 : 20,651.09 = 5,871.08 : x
  2. Step 2: Convert to fraction form
    13,772.99/20,651.09 = 5,871.08/x
  3. Step 3: Cross multiply
    13,772.99x = 20,651.09 × 5,871.08
  4. Step 4: Simplify right side
    13,772.99x = 121,244,201.48
  5. Step 5: Solve for x
    x = 121,244,201.48/13,772.99
  6. Step 6: Final answer
    x = 8,803.04

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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.