Home / 22,514.13-31,069.51-13,083.30

Finding the Fourth Proportional to 22,514.13, 31,069.51 and 13,083.30

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Solution

The fourth proportional to 22,514.13, 31,069.51 and 13,083.30 is: 18,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,514.13 : 31,069.51 = 13,083.30 : x
  2. Step 2: Convert to fraction form
    22,514.13/31,069.51 = 13,083.30/x
  3. Step 3: Cross multiply
    22,514.13x = 31,069.51 × 13,083.30
  4. Step 4: Simplify right side
    22,514.13x = 406,491,720.18
  5. Step 5: Solve for x
    x = 406,491,720.18/22,514.13
  6. Step 6: Final answer
    x = 18,054.96

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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.