Home / 16,476.21-22,739.54-12,490.61

Finding the Fourth Proportional to 16,476.21, 22,739.54 and 12,490.61

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Solution

The fourth proportional to 16,476.21, 22,739.54 and 12,490.61 is: 17,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,476.21 : 22,739.54 = 12,490.61 : x
  2. Step 2: Convert to fraction form
    16,476.21/22,739.54 = 12,490.61/x
  3. Step 3: Cross multiply
    16,476.21x = 22,739.54 × 12,490.61
  4. Step 4: Simplify right side
    16,476.21x = 284,030,549.57
  5. Step 5: Solve for x
    x = 284,030,549.57/16,476.21
  6. Step 6: Final answer
    x = 17,238.83

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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.