Home / 16,490.41-22,759.45-12,269.50

Finding the Fourth Proportional to 16,490.41, 22,759.45 and 12,269.50

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Solution

The fourth proportional to 16,490.41, 22,759.45 and 12,269.50 is: 16,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.41 : 22,759.45 = 12,269.50 : x
  2. Step 2: Convert to fraction form
    16,490.41/22,759.45 = 12,269.50/x
  3. Step 3: Cross multiply
    16,490.41x = 22,759.45 × 12,269.50
  4. Step 4: Simplify right side
    16,490.41x = 279,246,984.20
  5. Step 5: Solve for x
    x = 279,246,984.20/16,490.41
  6. Step 6: Final answer
    x = 16,933.90

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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.