Home / 22,679.66-31,295.54-12,606.47

Finding the Fourth Proportional to 22,679.66, 31,295.54 and 12,606.47

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Solution

The fourth proportional to 22,679.66, 31,295.54 and 12,606.47 is: 17,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.66 : 31,295.54 = 12,606.47 : x
  2. Step 2: Convert to fraction form
    22,679.66/31,295.54 = 12,606.47/x
  3. Step 3: Cross multiply
    22,679.66x = 31,295.54 × 12,606.47
  4. Step 4: Simplify right side
    22,679.66x = 394,526,278.54
  5. Step 5: Solve for x
    x = 394,526,278.54/22,679.66
  6. Step 6: Final answer
    x = 17,395.60

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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.