Home / 17,686.08-24,388.26-13,202.64

Finding the Fourth Proportional to 17,686.08, 24,388.26 and 13,202.64

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Solution

The fourth proportional to 17,686.08, 24,388.26 and 13,202.64 is: 18,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.08 : 24,388.26 = 13,202.64 : x
  2. Step 2: Convert to fraction form
    17,686.08/24,388.26 = 13,202.64/x
  3. Step 3: Cross multiply
    17,686.08x = 24,388.26 × 13,202.64
  4. Step 4: Simplify right side
    17,686.08x = 321,989,417.01
  5. Step 5: Solve for x
    x = 321,989,417.01/17,686.08
  6. Step 6: Final answer
    x = 18,205.81

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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.