Home / 18,551.07-27,661.13-16,490.43

Finding the Fourth Proportional to 18,551.07, 27,661.13 and 16,490.43

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Solution

The fourth proportional to 18,551.07, 27,661.13 and 16,490.43 is: 24,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.07 : 27,661.13 = 16,490.43 : x
  2. Step 2: Convert to fraction form
    18,551.07/27,661.13 = 16,490.43/x
  3. Step 3: Cross multiply
    18,551.07x = 27,661.13 × 16,490.43
  4. Step 4: Simplify right side
    18,551.07x = 456,143,845.53
  5. Step 5: Solve for x
    x = 456,143,845.53/18,551.07
  6. Step 6: Final answer
    x = 24,588.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.