Home / 22,933.13-31,647.77-13,379.58

Finding the Fourth Proportional to 22,933.13, 31,647.77 and 13,379.58

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Solution

The fourth proportional to 22,933.13, 31,647.77 and 13,379.58 is: 18,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,933.13 : 31,647.77 = 13,379.58 : x
  2. Step 2: Convert to fraction form
    22,933.13/31,647.77 = 13,379.58/x
  3. Step 3: Cross multiply
    22,933.13x = 31,647.77 × 13,379.58
  4. Step 4: Simplify right side
    22,933.13x = 423,433,863.22
  5. Step 5: Solve for x
    x = 423,433,863.22/22,933.13
  6. Step 6: Final answer
    x = 18,463.85

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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.