Home / 22,821.48-31,494.87-12,749.94

Finding the Fourth Proportional to 22,821.48, 31,494.87 and 12,749.94

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Solution

The fourth proportional to 22,821.48, 31,494.87 and 12,749.94 is: 17,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,821.48 : 31,494.87 = 12,749.94 : x
  2. Step 2: Convert to fraction form
    22,821.48/31,494.87 = 12,749.94/x
  3. Step 3: Cross multiply
    22,821.48x = 31,494.87 × 12,749.94
  4. Step 4: Simplify right side
    22,821.48x = 401,557,702.81
  5. Step 5: Solve for x
    x = 401,557,702.81/22,821.48
  6. Step 6: Final answer
    x = 17,595.60

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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.