Home / 22,672.49-31,285.65-12,599.30

Finding the Fourth Proportional to 22,672.49, 31,285.65 and 12,599.30

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Solution

The fourth proportional to 22,672.49, 31,285.65 and 12,599.30 is: 17,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.49 : 31,285.65 = 12,599.30 : x
  2. Step 2: Convert to fraction form
    22,672.49/31,285.65 = 12,599.30/x
  3. Step 3: Cross multiply
    22,672.49x = 31,285.65 × 12,599.30
  4. Step 4: Simplify right side
    22,672.49x = 394,177,292.08
  5. Step 5: Solve for x
    x = 394,177,292.08/22,672.49
  6. Step 6: Final answer
    x = 17,385.71

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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.