Home / 23,090.11-31,863.72-13,018.46

Finding the Fourth Proportional to 23,090.11, 31,863.72 and 13,018.46

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Solution

The fourth proportional to 23,090.11, 31,863.72 and 13,018.46 is: 17,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,090.11 : 31,863.72 = 13,018.46 : x
  2. Step 2: Convert to fraction form
    23,090.11/31,863.72 = 13,018.46/x
  3. Step 3: Cross multiply
    23,090.11x = 31,863.72 × 13,018.46
  4. Step 4: Simplify right side
    23,090.11x = 414,816,634.94
  5. Step 5: Solve for x
    x = 414,816,634.94/23,090.11
  6. Step 6: Final answer
    x = 17,965.12

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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.