Home / 22,766.96-31,417.20-12,696.44

Finding the Fourth Proportional to 22,766.96, 31,417.20 and 12,696.44

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Solution

The fourth proportional to 22,766.96, 31,417.20 and 12,696.44 is: 17,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,766.96 : 31,417.20 = 12,696.44 : x
  2. Step 2: Convert to fraction form
    22,766.96/31,417.20 = 12,696.44/x
  3. Step 3: Cross multiply
    22,766.96x = 31,417.20 × 12,696.44
  4. Step 4: Simplify right side
    22,766.96x = 398,886,594.77
  5. Step 5: Solve for x
    x = 398,886,594.77/22,766.96
  6. Step 6: Final answer
    x = 17,520.42

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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.