Home / 22,640.31-31,249.80-14,682.06

Finding the Fourth Proportional to 22,640.31, 31,249.80 and 14,682.06

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Solution

The fourth proportional to 22,640.31, 31,249.80 and 14,682.06 is: 20,265.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.31 : 31,249.80 = 14,682.06 : x
  2. Step 2: Convert to fraction form
    22,640.31/31,249.80 = 14,682.06/x
  3. Step 3: Cross multiply
    22,640.31x = 31,249.80 × 14,682.06
  4. Step 4: Simplify right side
    22,640.31x = 458,811,438.59
  5. Step 5: Solve for x
    x = 458,811,438.59/22,640.31
  6. Step 6: Final answer
    x = 20,265.25

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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.