Home / 19,187.36-28,800.67-15,844.96

Finding the Fourth Proportional to 19,187.36, 28,800.67 and 15,844.96

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Solution

The fourth proportional to 19,187.36, 28,800.67 and 15,844.96 is: 23,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.36 : 28,800.67 = 15,844.96 : x
  2. Step 2: Convert to fraction form
    19,187.36/28,800.67 = 15,844.96/x
  3. Step 3: Cross multiply
    19,187.36x = 28,800.67 × 15,844.96
  4. Step 4: Simplify right side
    19,187.36x = 456,345,453.78
  5. Step 5: Solve for x
    x = 456,345,453.78/19,187.36
  6. Step 6: Final answer
    x = 23,783.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.