Home / 18,901.15-28,187.04-16,571.99

Finding the Fourth Proportional to 18,901.15, 28,187.04 and 16,571.99

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Solution

The fourth proportional to 18,901.15, 28,187.04 and 16,571.99 is: 24,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901.15 : 28,187.04 = 16,571.99 : x
  2. Step 2: Convert to fraction form
    18,901.15/28,187.04 = 16,571.99/x
  3. Step 3: Cross multiply
    18,901.15x = 28,187.04 × 16,571.99
  4. Step 4: Simplify right side
    18,901.15x = 467,115,345.01
  5. Step 5: Solve for x
    x = 467,115,345.01/18,901.15
  6. Step 6: Final answer
    x = 24,713.59

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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.