Home / 22,695.37-31,322.36-13,742.64

Finding the Fourth Proportional to 22,695.37, 31,322.36 and 13,742.64

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Solution

The fourth proportional to 22,695.37, 31,322.36 and 13,742.64 is: 18,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,695.37 : 31,322.36 = 13,742.64 : x
  2. Step 2: Convert to fraction form
    22,695.37/31,322.36 = 13,742.64/x
  3. Step 3: Cross multiply
    22,695.37x = 31,322.36 × 13,742.64
  4. Step 4: Simplify right side
    22,695.37x = 430,451,917.43
  5. Step 5: Solve for x
    x = 430,451,917.43/22,695.37
  6. Step 6: Final answer
    x = 18,966.51

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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.