Home / 16,315.20-22,522.68-12,283.56

Finding the Fourth Proportional to 16,315.20, 22,522.68 and 12,283.56

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Solution

The fourth proportional to 16,315.20, 22,522.68 and 12,283.56 is: 16,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.20 : 22,522.68 = 12,283.56 : x
  2. Step 2: Convert to fraction form
    16,315.20/22,522.68 = 12,283.56/x
  3. Step 3: Cross multiply
    16,315.20x = 22,522.68 × 12,283.56
  4. Step 4: Simplify right side
    16,315.20x = 276,658,691.14
  5. Step 5: Solve for x
    x = 276,658,691.14/16,315.20
  6. Step 6: Final answer
    x = 16,957.11

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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.