Home / 13,622.21-18,799.37-7,573.11

Finding the Fourth Proportional to 13,622.21, 18,799.37 and 7,573.11

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Solution

The fourth proportional to 13,622.21, 18,799.37 and 7,573.11 is: 10,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.21 : 18,799.37 = 7,573.11 : x
  2. Step 2: Convert to fraction form
    13,622.21/18,799.37 = 7,573.11/x
  3. Step 3: Cross multiply
    13,622.21x = 18,799.37 × 7,573.11
  4. Step 4: Simplify right side
    13,622.21x = 142,369,659.08
  5. Step 5: Solve for x
    x = 142,369,659.08/13,622.21
  6. Step 6: Final answer
    x = 10,451.29

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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.