Home / 16,283.12-22,480.79-12,499.04

Finding the Fourth Proportional to 16,283.12, 22,480.79 and 12,499.04

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Solution

The fourth proportional to 16,283.12, 22,480.79 and 12,499.04 is: 17,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,283.12 : 22,480.79 = 12,499.04 : x
  2. Step 2: Convert to fraction form
    16,283.12/22,480.79 = 12,499.04/x
  3. Step 3: Cross multiply
    16,283.12x = 22,480.79 × 12,499.04
  4. Step 4: Simplify right side
    16,283.12x = 280,988,230.95
  5. Step 5: Solve for x
    x = 280,988,230.95/16,283.12
  6. Step 6: Final answer
    x = 17,256.41

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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.