Home / 22,679.08-31,296.18-12,607.66

Finding the Fourth Proportional to 22,679.08, 31,296.18 and 12,607.66

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Solution

The fourth proportional to 22,679.08, 31,296.18 and 12,607.66 is: 17,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.08 : 31,296.18 = 12,607.66 : x
  2. Step 2: Convert to fraction form
    22,679.08/31,296.18 = 12,607.66/x
  3. Step 3: Cross multiply
    22,679.08x = 31,296.18 × 12,607.66
  4. Step 4: Simplify right side
    22,679.08x = 394,571,596.74
  5. Step 5: Solve for x
    x = 394,571,596.74/22,679.08
  6. Step 6: Final answer
    x = 17,398.04

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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.