Home / 22,899.74-31,601.93-12,827.99

Finding the Fourth Proportional to 22,899.74, 31,601.93 and 12,827.99

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Solution

The fourth proportional to 22,899.74, 31,601.93 and 12,827.99 is: 17,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,899.74 : 31,601.93 = 12,827.99 : x
  2. Step 2: Convert to fraction form
    22,899.74/31,601.93 = 12,827.99/x
  3. Step 3: Cross multiply
    22,899.74x = 31,601.93 × 12,827.99
  4. Step 4: Simplify right side
    22,899.74x = 405,389,256.89
  5. Step 5: Solve for x
    x = 405,389,256.89/22,899.74
  6. Step 6: Final answer
    x = 17,702.79

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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.