Home / 19,013.94-28,500.78-6,360.51

Finding the Fourth Proportional to 19,013.94, 28,500.78 and 6,360.51

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Solution

The fourth proportional to 19,013.94, 28,500.78 and 6,360.51 is: 9,534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.94 : 28,500.78 = 6,360.51 : x
  2. Step 2: Convert to fraction form
    19,013.94/28,500.78 = 6,360.51/x
  3. Step 3: Cross multiply
    19,013.94x = 28,500.78 × 6,360.51
  4. Step 4: Simplify right side
    19,013.94x = 181,279,496.20
  5. Step 5: Solve for x
    x = 181,279,496.20/19,013.94
  6. Step 6: Final answer
    x = 9,534.03

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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.