Home / 23,018.32-31,764.68-13,082.32

Finding the Fourth Proportional to 23,018.32, 31,764.68 and 13,082.32

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Solution

The fourth proportional to 23,018.32, 31,764.68 and 13,082.32 is: 18,053.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,018.32 : 31,764.68 = 13,082.32 : x
  2. Step 2: Convert to fraction form
    23,018.32/31,764.68 = 13,082.32/x
  3. Step 3: Cross multiply
    23,018.32x = 31,764.68 × 13,082.32
  4. Step 4: Simplify right side
    23,018.32x = 415,555,708.46
  5. Step 5: Solve for x
    x = 415,555,708.46/23,018.32
  6. Step 6: Final answer
    x = 18,053.26

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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.