Home / 22,717.16-31,348.94-12,645.26

Finding the Fourth Proportional to 22,717.16, 31,348.94 and 12,645.26

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Solution

The fourth proportional to 22,717.16, 31,348.94 and 12,645.26 is: 17,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.16 : 31,348.94 = 12,645.26 : x
  2. Step 2: Convert to fraction form
    22,717.16/31,348.94 = 12,645.26/x
  3. Step 3: Cross multiply
    22,717.16x = 31,348.94 × 12,645.26
  4. Step 4: Simplify right side
    22,717.16x = 396,415,575.40
  5. Step 5: Solve for x
    x = 396,415,575.40/22,717.16
  6. Step 6: Final answer
    x = 17,450.05

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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.