Home / 22,679.93-31,297.59-12,608.19

Finding the Fourth Proportional to 22,679.93, 31,297.59 and 12,608.19

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Solution

The fourth proportional to 22,679.93, 31,297.59 and 12,608.19 is: 17,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.93 : 31,297.59 = 12,608.19 : x
  2. Step 2: Convert to fraction form
    22,679.93/31,297.59 = 12,608.19/x
  3. Step 3: Cross multiply
    22,679.93x = 31,297.59 × 12,608.19
  4. Step 4: Simplify right side
    22,679.93x = 394,605,961.26
  5. Step 5: Solve for x
    x = 394,605,961.26/22,679.93
  6. Step 6: Final answer
    x = 17,398.90

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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.