Home / 22,671.63-31,283.11-12,599.79

Finding the Fourth Proportional to 22,671.63, 31,283.11 and 12,599.79

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Solution

The fourth proportional to 22,671.63, 31,283.11 and 12,599.79 is: 17,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,671.63 : 31,283.11 = 12,599.79 : x
  2. Step 2: Convert to fraction form
    22,671.63/31,283.11 = 12,599.79/x
  3. Step 3: Cross multiply
    22,671.63x = 31,283.11 × 12,599.79
  4. Step 4: Simplify right side
    22,671.63x = 394,160,514.98
  5. Step 5: Solve for x
    x = 394,160,514.98/22,671.63
  6. Step 6: Final answer
    x = 17,385.63

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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.