Home / 22,949.90-31,674.16-12,743.29

Finding the Fourth Proportional to 22,949.90, 31,674.16 and 12,743.29

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Solution

The fourth proportional to 22,949.90, 31,674.16 and 12,743.29 is: 17,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,949.90 : 31,674.16 = 12,743.29 : x
  2. Step 2: Convert to fraction form
    22,949.90/31,674.16 = 12,743.29/x
  3. Step 3: Cross multiply
    22,949.90x = 31,674.16 × 12,743.29
  4. Step 4: Simplify right side
    22,949.90x = 403,633,006.39
  5. Step 5: Solve for x
    x = 403,633,006.39/22,949.90
  6. Step 6: Final answer
    x = 17,587.57

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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.