Home / 22,590.36-31,172.76-13,026.96

Finding the Fourth Proportional to 22,590.36, 31,172.76 and 13,026.96

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Solution

The fourth proportional to 22,590.36, 31,172.76 and 13,026.96 is: 17,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590.36 : 31,172.76 = 13,026.96 : x
  2. Step 2: Convert to fraction form
    22,590.36/31,172.76 = 13,026.96/x
  3. Step 3: Cross multiply
    22,590.36x = 31,172.76 × 13,026.96
  4. Step 4: Simplify right side
    22,590.36x = 406,086,297.61
  5. Step 5: Solve for x
    x = 406,086,297.61/22,590.36
  6. Step 6: Final answer
    x = 17,976.09

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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.